73 views
in Electronics Engineering by

1 Answer

0 votes
by

Susceptibility of the air medium is zero.

Related questions

1 answer 75 views

What is the value of susceptibility in case of vacuum? A) 1 B) 0.5 C) ∞ D) 0 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 66 views

The magnetic susceptibility of paramagnetic material is: A) Less than zero B) Less than one but positive C) Greater than one D) Equal to zero

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
0 answers 29 views

Define magnetic susceptibility.

asked Mar 11, 2018 in Electrical engineering materials by Quiz
1 answer 21 views

Name two methods for measurement of low, medium and high resistance. Give one advantage and one limitation of V- I method.

asked Sep 6, 2018 by Shimroz123
1 answer 12 views

Explain V- I method of measurement of medium resistance. 

asked Sep 6, 2018 by Shimroz123
1 answer 43 views

what is mean by medium transmission line ?

asked Aug 18, 2017 in Electrical Engineering by Zeeshan
1 answer 16 views

Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

asked Sep 6, 2018 by Shimroz123
1 answer 9 views

State the range for low and medium resistance.

asked Sep 6, 2018 by Shimroz123
1 answer 10 views

What happens to the capacitance if mica is inserted between the plates of an air capacitor? A) The capacitance increases B) The capacitance decreases C) The capacitance remains the same D) The capacitance becomes zero

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 4 views

State the functions of following elements: i) Diesel engine system ii) Air intake system iii) Engine exhaust system iv) Engine starting system.

asked Sep 7, 2018 by Shimroz123
1 answer 25 views

An air gap is usually inserted in magnetic circuits to?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 5 views

Explain fuel system and air intake system in diesel electric power plant.

asked Sep 8, 2018 by Shimroz123
1 answer 7 views

Describe with neat diagram air friction damping. 

asked Sep 5, 2018 by Shimroz123
1 answer 26 views

Which of the following medium is employed for extinction of arc in air circuit breaker ? (a) Water  (b) Oil (c) Air  (d) SF6

asked May 26, 2018 in Switchgear And Protection by Shimroz123
0 answers 20 views

Propagation medium of the signal in band (3 to 30) MHz is by  A) Space wave B) Surface wave C) Sky wave D) LOS

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 17 views

A parallel polarized wave is incident from air into paraffin having relative permittivity 3, the value of its Brewster angle is: (1) 0° (2) 30° (3) 45° (4) 60°

asked May 28, 2018 in Electronics Engineering by Shimroz123
0 answers 18 views

The true statement for wave propagation in rectangular wave guides filled with air is: a. The phase velocity is equal to velocity of light in air b. The phase velocity is always more than the velocity of light in air c. The phase velocity is always less than the velocity of light in air d. The phase velocity is un-defined.

asked Apr 12, 2018 in Electronics Engineering by Shimroz123
1 answer 12 views

Susceptibility of a diamagnetic material is 1. Negative 2. Positive 3. Dependent on the temperature 4. Independent of the temperature  Select the correct answer using the codes given below : (a) 1 and 3 only (b) 2 and 3 only (c) 1 and 4 only (d) 2 and 4 only

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 6 views

If the magnetic susceptibility of a specimen is small and positive, the specimen is (a) Diamagnetic (b) Paramagnetic (c) Ferromagnetic (d) Non-magnetic

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views
0 answers 11 views

An air core transformer has primary and secondary inductors of 8mH and 10 mH respectively. The mutual inductance is 5mH. The coefficient of coupling is  A) 1/8 B) 1/6 C) ¼ D) ½

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 16 views

The concept of an electrically short, medium and long line is primarily based on the  A) Nominal voltage of the line B) Physical length of the line C) Wave length of the line D) Power transmitted over the line

asked May 20, 2018 in Power system by Shimroz123
1 answer 28 views

Which of the following is used in a circuit breaker as the medium in which the arc forms? A) Insulating gas B) Insulating oil C) Vacuum D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 35 views

When the wave travels in a conducting medium, the rate of attenuation is decided by

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

The method suitable for heating of a conducting medium is   (a) Induction heating (b) Indirect arc heating (c) Eddy current heating (d) Resistance heating

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 12 views

Which of the following has got a positive susceptibility  1.Diamagnetic 2.Paramagnetic 3.Ferromagnetic 4.both Paramagnetic & ferromagnetic 

asked May 13, 2018 in Electrical Engineering by Shimroz123
0 answers 54 views

The effect of increasing the length of air gap in an induction motor is to increase the (a) power factor (b) speed (c) magnetising current (d) air gap flux  

asked May 25, 2018 in Induction Machine by Shimroz123
1 answer 17 views

Plate separation of a parallel plate air capacitor is reduced keeping the voltage constant. The energy stored in the capacitor shall • Increase • Decrease • Remain constant • Remain zero

asked May 13, 2018 in Electrical Engineering by Shimroz123
0 answers 35 views

What happens to the reluctance of a magnetic circuit, when an air gap is introduced to the core cross section ? (A) Decreases (B) Increases (C) Remain same (D) None of the above

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 25 views

In case of four pole, lap wound machine if the air gap under each pole is the same, then what will be the result?  (A) There will be reduced eddy currents (B) There will be reduced hysteresis loss (C) Current in each path will not be the same (D) It will result in higher terminal voltage

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

The depth of penetration of a wave in a lossy dielectric medium increases with 

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
2 answers 47 views

The core of a transformer (medium size) uses to provide high flux densities (a) diamagnetic (c) ferromagnetic core (b) paramagnetic (d) none of these

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 33 views

Current ratings of MCB for Air conditioners is generally used as _________. A. 10/15 Amp B. 5/10 A C. 20/25 Amp D. none of these 

asked Apr 12, 2018 in Electrical Engineering by Shimroz123
0 answers 16 views

1 Ton (unit of air conditioning load) in terms of kW is   (a) 3.5 kW (b) 4.7 kW (c) 12 kW (d) 10.5 kW 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 55 views

Speed of light in air is:  A) 4000km/s B) 300000000m/s C) 400km/s D) 3000000 m/s

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

State the nature of protection provided for following types of faults; 1) Over voltage 2) Under voltage 3) High air pressure in air circuit 4) Low air pressure in air circuit

asked Sep 2, 2018 by Shimroz123
1 answer 11 views

In air-core cable the surge voltage travels approximately at the speed of light and a cable of 100m length gives a delay of a. 0.666μsec b. 0.333μsec c. 1.555μsec d. 1μsec 

asked Sep 1, 2018 by Shimroz123
0 answers 124 views

State the values of permeability of free space and relative permeability of air.

asked Aug 8, 2018 by Quiz
0 answers 40 views

The ratio of air-gap line voltage from open-circuit characteristic and armature current from short-circuit characteristic for a particular value of the field current in a synchronous generator is (A) synchronous reactance (B) synchronous impedance (C) unsaturated synchronous reactance (D) unsaturated synchronous impedance 

asked Jun 4, 2018 in Synchronous machine by Shimroz123
1 answer 31 views

The coefficient of coupling between two air core coils depends on   (A) mutual inductance between two coils only (B) self inductances of the two coils only (C) mutual inductance and self inductances of the two coils (D) none

asked May 16, 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
...