18 views
in Electrical Engineering by

Which among the following is the equation for the number of independent loops for a network with n nodes and b branches? 


(A) n-1 (B) b+n-1 (C) b-n+1 (D) b-n

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

Related questions

1 answer 17 views

The number of independent loops for a network with n nodes and b branches is

asked Apr 29, 2018 in Network Analysis by Shimroz123
1 answer 60 views

A network has 10 nodes and 17 branches. The number of independent mesh equations required to solve the network is   (a) 7 (b) 8 (c) 10 (d) 45 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

 If the number of branches in a network is 'B', the number of nodes is 'N' and the number of dependent loops is 'L', then the number of independent node equations will be  (a) N+L–1 (b) B–1 (c) B–N (d) N–1 

asked May 13, 2018 in Network Analysis by Shimroz123
0 answers 6 views

In a network, if the number of holes is n and number of elements is e, then the number of independent mesh equations required to solve the network is (a) e – n + 1 (b) e + n + 1 (c) e + n – 1 (d) e – n – 1

asked May 25, 2018 in Node and mesh analysis by Shimroz123
1 answer 21 views

In a graph, the number of independent loops is 6 and the number of independent cut sets is 5, The total number of branches in the graph is A) 9 B) 12 C) 10 D) 11

asked May 24, 2018 in Network Analysis by Shimroz123
0 answers 37 views

In an n-bus power system, considering n-nodes network, the size of ybus is   (a) (n – 1) × (n – 1) (b) (n + 1) × (n + 1) (c) n × n (d) 2n × 2n 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

With n nodes and b branches a network will have   (A) (b+n) links (B) b - n +1 links (C) b -n-1 links (D) b + n + 1 links 

asked May 16, 2018 in Network Analysis by Shimroz123
1 answer 52 views

 The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be A) 3 B) 2 C) 4 D) 5 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 24 views

A binary tree T has n leaf nodes. The number of nodes of degree 2 in T is  A) log2n B) n-1 C) n D) 2n

asked Apr 11, 2018 in Computer Engineering by Shimroz123
1 answer 19 views

The number of independent equations to solve a network is equal to?

asked Mar 25, 2018 in Network Analysis by Shimroz123
0 answers 67 views

In a network containing resistances and reactances the roots of the characteristic equation give for the circuit : (A) The forced response (B) The total response (C) The natural response (D) The damped response

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

Which among the given statement is/are CORRECT. (a) Avalanche breakdown voltage increases with temperature (b) Zener breakdown voltage decreases with temperature A) Only (a) B) Only (b) C) Both (a) & (b) D) None of (a) & (b)

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
0 answers 35 views

Which among the following is the dual of Boolean expression X+YZ=(X+Y) (X+Z)?  (A) X(Y+Z)=XY+YZ (B) X.(Y+Z)=X.Y+X.Z (C) X+(Y+Z) = X.Y+Z (D) X+(YZ) = X+Y+Z 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

The number of distinct simple graphs with upto three nodes is  A) 15 B) 10 C) 7 D) 9

asked Apr 11, 2018 in Computer Engineering by Shimroz123
1 answer 24 views

Which of the following heating methods is independent of supply frequency?  (A) electric are beating (C) electric resistance heating (B) induction heating (D) dielectric heating

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
0 answers 16 views

When cathode is positive with respect to anode in an SCR, the number of blocked p-n junctions is   (a) 1 (b) 2 (c) 3 (d) 4 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 20 views

One of the necessary and sufficient condition for a network function N(s)=p(s)/q(s) to be a transfer function is that  A) The coefficients of the polynomial p(s) and q(s) must be real and those for q(s) must be positive B) Coefficients of p(s) and q(s) must be real and positive C) Coefficients of p(s) must be positive and real but coefficients of q(s) can be negative also D) Degree of p(s) and q(s) may differ by either zero or one only

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 47 views

 A connected graph has ‘5’ number of branches and ‘4’ number of nodes. It's rank is A) 1 B) 2 C) 3 D) 4 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
0 answers 7 views

Which of the following are available in the depletion layer of a P -N junction diode ? (A) Free mobile electrons only (B) Free mobile holes only (C) Both free mobile electrons and holes (D) Neither free mobile electrons nor holes

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 73 views

Which of the following are satisfied in a non-linear network ?  1. Associative  2. Superposition  3. Homogeneity  4. Bilaterality  Select the correct answer using the codes given below :  (a) 1 and 3 only (b) 1 and 4 only (c) 2 and 3 only (d) 2 and 4 only

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

When the graph of a network has six branches with three tree branches then the minimum number of equations required for the solution of the network is   (A) 2 (B) 3 (C) 4 (D) 5

asked May 17, 2018 in Network Analysis by Shimroz123
1 answer 12 views

A three phase induction motor is driving full -load torque which is independent of speed. If the line voltage drops to 90% of the rated value, % increase in motor copper losses  (a) 23% (b) -18% (c) 123% (d) None of these

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0. The critical gain value Kc for stability should not exceed  (a) 3.25 (b) 9.75 (c) 13.0 (d) 23.3

asked May 15, 2018 in Control System by Shimroz123
1 answer 18 views

As a network contains only independent current sources and resistors then if the values of all resistors are doubled then the values of the node voltages are   (A) will become half (B) will remain unchanged (C) will become double (D) cannot be determined unless the circuit configuration and the values of the resistors are known.

asked May 17, 2018 in Network Analysis by Shimroz123
1 answer 13 views

 Which braking system on the locomotives is the costliest among the following? A) Vacuum braking on diesel locomotives B) Vacuum braking on steam locomotives C) Regenerative braking on electric locomotives D) All braking systems are equally costly

asked Jun 4, 2018 in Utilization of electrical energy by Shimroz123
0 answers 13 views

Which one among these is an example for trivalent impurity?  (A) Phosphorus (B) Antimony (C) Gallium (D) Arsenic

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 24 views

Buchholz relay is used as a safety device with respect to which of the following? A) Audio transformers B) Oil filled power transformers C) Air core transformer D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 11 views

Which of the following is true with respect to a breeder reactor? A) Its conversion ratio is greater than 1  B) It is capable of generating more fissile material than it consumes C) Both A and B  D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 17 views

Which of the following is true with a series circuit having resistors of different values? A) The total resistance of the circuit is the sum of the individual resistances B) The current across each resistor is the same C) The voltage drop across each resistor depends on the value of the resistor D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 54 views

Which of the following units is connected with discharge in a domestic water pump?  A) Kg/SqCm B) RPM C) LPM D) N/m2

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 65 views

Number of commutator bars for a 4-pole, 2-layer, DC lap winding with 24 slots and one conductor per layer is (A) 48 (B) 24 (C) 192 (D) 96

asked Apr 28, 2018 in Electrical Engineering by Shimroz123
1 answer 28 views

With which of the following, a circuit breaker must be equipped for remote operation ? (a) Inverse time trip (b) Time-delay trip (c) Shunt trip  (d) None of the above (e) All of the above

asked May 26, 2018 in Switchgear And Protection by Shimroz123
1 answer 21 views

Which among these is a type of internal wiring? A. Cleat wiring B. Conduit wiring C. CTS wiring 

asked May 29, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

While selecting motor for an A.C which of the following characteristics is of great importance (1) Type of bearings (2) Type of enclosure (3) Noise (4) Arrangement for power transmission  

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 17 views

For measuring the frequency of an unknown A.C. source. Which of the following device is necessary to obtain a standard waveform?  (A) Operational amplifier (B) Astable multivibrator (C) Schmitt trigger (D) Monostable multivibrator

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

Which of the following are known as the short circuit parameters of a 2- port network? (A) Z- parameters. (B) H- parameters. (C) Y- parameters. (D) A,B,C,D, parameters.

asked Apr 28, 2018 in Network Analysis by Shimroz123
1 answer 12 views

Which topology is used for a central Network controller

asked May 14, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines:  (A) Delta-Star (B) Star-Delta (C) Delta-Delta (D) Star-Star

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

The number of cross -points needed for 10 lines in a cross-point switch which is full duplex in nature and there are no self connection is  A) 100 B) 45 C) 50 D) 90

asked Apr 11, 2018 in Computer Engineering by Shimroz123
1 answer 10 views

If the number of conditions in a decision table is n, the maximum number of rules (columns) possible is  A) n B) 2n C) 2n D) log2n

asked Apr 11, 2018 in Computer Engineering by Shimroz123
0 answers 9 views

 The slowest ADC among the following is : (A) Flash type (B) Successive approximation type (C) Integrating type (D) Counting type

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 6 views

The swing equation for a synchronous machine is based on (A) relative motion between load angle and stator magnetic field (B) maximum power flow possible through a particular point (C) net torque and angular displacement (D) relation between excitation voltage and excitation current

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 30 views

Which of the following theorems enables a number of voltage (or current) source to be combined directly into a single voltage (or current) source. (1) compensation theorem (2) reciprocity theorem (3) superposition theorem (4) Millman's theorem

asked Apr 29, 2018 in Network Analysis by Shimroz123
1 answer 18 views

Which of the following is true with an auto transformer? A) It has only one winding  B) It has two separate windings namely primary winding and secondary winding C) It has two primary windings and one single secondary winding D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 8 views

Which of the following is true with respect to Wien Bridge? A) It does not require equal values of R or C  B) It requires that R and C values of all components must be equal C) It requires that all resistors should have equal values D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 12 views

 For identical total transmitted power, the ratio of S/N for wide band FM to S/N of DSB-AM (with ma=1) is : ( Given fm = 15 KHz & frequency. deviation =+/- 75 KHz) a. 112.5 b. 300 c. 75 d. 450

asked Apr 12, 2018 in Electronics Engineering by Shimroz123
0 answers 26 views

For a waveform to be expressed in Fourier series, which of the following conditions must be satisfied? I. Maxwell’s conditions, II. Drichlet conditions, III. Sampling Theorem A) I only B) II only C) II and III only D) I, II and III

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
0 answers 27 views

For a stepper motor which of the following torque has the highest numerical value ? (A) Detent torque (B) Pull -in torque (C) Pullout torque (D) Holding torque

asked Apr 14, 2018 in Electrical Engineering by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,503 questions

7,101 answers

134 comments

3,090 users

...