Can you help by answering this question?

How can i make a dc variable power supply??

8 views
in Electrical Engineering by

Conductivity is analogous to?

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.

1 Answer

0 votes
by

Conductivity is analogous to permeability.

Related questions

1 answer 17 views

In Torque-Voltage analogy, the Moment of Inertia of a mechanical rotational system is analogous to (A) Capacitance C. (B) Inductance L. (C) Resistance R. (D) Inductive reactance XL

asked Apr 28, 2018 in Control System by Shimroz123
1 answer 16 views

Which of the following has the lowest electrical conductivity? A) Mercury B) Silver C) Copper D) Gold

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 9 views

What is the SI unit of conductivity ?

asked Sep 2, 2018 by Shimroz123
1 answer 12 views

Conductivity formula

asked Jun 11 by Shimroz123
1 answer 12 views

Spring constant in force-voltage analogy is analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 11 views

Mass, in force-voltage analogy, is analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 14 views

In thermal-electrical analogy charge is considered analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 12 views

In force-voltage analogy, velocity is analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 12 views

The viscous friction co-efficient, in force-voltage analogy, is analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 12 views

In liquid level and electrical system analogy, voltage is considered analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 69 views

In electrical-pneumatic system analogy the current is considered analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 14 views

The temperature, under thermal and electrical system analogy, is considered analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 13 views

The capacitance, in force-current analogy, is analogous to?

asked Mar 27, 2018 in Control System by Shimroz123
1 answer 15 views
1 answer 7 views

Consider the following statements :  1. Superconductors exhibit normal conductivity behaviour above a transition temperature Tc.  2. Superconductors lose their superconducting nature in an external magnetic field, provided the external magnetic field is above a critical value.  3. High Tc superconductors have Tc values in the range 1 to 10 K.  Which of the above statements are correct ? (a) 1 and 2 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 17 views

The electrical conductivity of a semiconductor increases with increase in temperature because (a) the carrier concentration increases (b) the mobility of carrier increases (c) both carrier concentration and mobility increase (d) the band gap decreases

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

Materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators, are known as A. Thermistors B. Varistors C. Semi-conductors D. Variable resistors. 

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

In force-current analogy, analogous of displacement is (a) charge (b) flux linkage (c) voltage (d) current density 

asked May 25, 2018 in Control System by Shimroz123
1 answer 82 views

When the temperature of a doped semiconductor is increased, its conductivity  (1) Decreases (2) Increases (3) Does not change (4) Increases or decreases depending on whether it is p-type or n-type

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
1 answer 7 views
0 answers 24 views

A material has conductivity of 10–2 mho/m and relative permittivity of 4. The frequency at which the conduction current in the medium is equal to the displacement current, is (a) 450 MHz (b) 900 MHz (c) 45 MHz (d) 90 MHz

asked May 25, 2018 in Physics by Shimroz123
1 answer 11 views

The conductivity of a conductor can be increased by?

asked Mar 28, 2018 in Electrical engineering materials by Shimroz123
1 answer 20 views

_______are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.

asked Mar 25, 2018 in Basic concepts by Shimroz123
1 answer 58 views

 If it takes a transmitted signal 1m sec to go up to the target and come back after reflection, how far is the transmitter from the target? A) 150 Km B) 150 m C) 15 Km D) 1500 m 

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 83 views

The ratio of the width to the height of the picture frame is called as A) Rastar B) Aspect Ratio C) Length Ratio D) Efficiency  

asked Jun 18, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

The average power delivered to an impedance 4 − j 3 Ω by a current 5Cos(100πt + 100) Ampere is A) 44.2 W B) 50 W C) 62.5 W D) 125 W

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

One of the following is not a valid statement: A) Fleming’s right hand rule is used to find out the direction of current in the conductor of a generator B) Fleming’s left hand rule is used to find out the direction of rotation of the armature of DC motor C) Ampere’s rule is used to find out the direction of lines of force around the wire carrying current D) Right hand thumb rule is used to find out the direction of counter current produced in the armature magnetic field

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

 For rural electrification in a country like India with complex networks, it is preferable to use: A) Air circuit breaker B) Oil circuit breaker C) Vacuum circuit breaker D) Minimum oil circuit breaker

asked Jun 17, 2018 in Electrical Engineering by Shimroz123
0 answers 49 views

A high-pass filter has a resistance R = 2 kΩ The lowest input frequency to be passed is 7.5 kHz. The value of suitable coupling capacitor must be: A) 0.001 pico Farad B) 0.01 pico Farad C) 0.1 pico Farad D) 1 pico Farad

asked Jun 4, 2018 in Electrical Engineering by Shimroz123
1 answer 12 views

What is the diameter of the GI pipe through which the earth wire needs to be taken out?

asked May 29, 2018 in Electrical Engineering by Shimroz123
1 answer 18 views

Dummy strain gauge is used in conjunction with the main strain gauge to _____.

asked May 29, 2018 in Electrical Engineering by Shimroz123
1 answer 9 views

 The use of thermocouple meters for AC measurement leads to a meterscale which is _____.

asked May 29, 2018 in Electrical Engineering by Shimroz123
1 answer 63 views

In order to switch-off and EHV circuit for maintenance, the following sequence is adopted: (1) Open the circuit breaker, open the isolator, operate the earth switch (2) Operate the earth switch, open the isolator, open the circuit breaker (3) Open the isolator, operate the earth switch, open the circuit breaker (4) Open the isolator, open the circuit breaker, operate the earth switch 

asked May 29, 2018 in Electrical Engineering by Shimroz123
1 answer 12 views

The negative sign in the expression e = – N (d∅)/dt is due to: (1) The Fleming’s Rule (2) Thumb’s Rule (3) Faraday’s Law (4) Lenz’s Law

asked May 29, 2018 in Electrical Engineering by Shimroz123
1 answer 21 views

In order to reduce cross sectional dimension, the wave guide to use is 

asked May 23, 2018 in Electrical Engineering by Shimroz123
1 answer 24 views

A lamp of 100W at 200V is supplied current at 100 volts. It will be equivalent to the lamp of:   a. 50W b. 40W c. 25W d. 10W 

asked May 17, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

A 1000W heater is rated to operate at a direct current (DC) of 10A. If the heater is supplied alternating current (AC) for producing the same quantity of heat the value of current should be  a. Iav=10A b. Irms=10A c. Ipeak=10A 

asked May 17, 2018 in Electrical Engineering by Shimroz123
1 answer 11 views

The presence of alkali oxides in alumino silicate ceramics is likely to result in dielectric breakdown due to   (A) Polarization (B) Conductivity (C) Structural homogeneties (D) Ionization

asked May 16, 2018 in Electrical Engineering by Shimroz123
1 answer 3 views

The period corresponding to 50 Hz power supply is

asked May 15, 2018 in Electrical Engineering by Shimroz123
1 answer 10 views

A 1000 watts heater is connected to a 240 V AC Supply. Then the current drawn by the heater is

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

The line voltage EL in a star connection is equal to.... (Ep = phase voltage)

asked May 15, 2018 in Electrical Engineering by Shimroz123
1 answer 11 views

The wiring that needs to be planned and executed along with building construction is

asked May 15, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

If current is I and voltage is V, then power P is equal to

asked May 15, 2018 in Electrical Engineering by Shimroz123
1 answer 61 views

Conformal coating is done in PCB assemblies to

asked May 14, 2018 in Electrical Engineering by Shimroz123
1 answer 12 views

A typical Solder composition used in component assembly to PCB is

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

The potential barrier at a P - N junction is due to  1. Majority carriers 2. Minority carriers 3. Both majority and minority carriers 4. Fixed donor and acceptor ions 

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

When an alternating potential is applied to a capacitor, the current in the circuit will  1. lead the applied potential 2. lag the applied potential 3. be in phase with the applied potential 4. none 

asked May 13, 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

...