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Electric Circuits

Electric Circuits
Specific resistance is measured in

  ohm - cm.
  ohm.
  mho.
  ohm/cm.

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Electric Circuits
Active materials of a lead acid cell are

 all of above.
 spongy lead.
 dilute H2SO4.
 lead peroxide.

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Electric Circuits
Final value theorem is not applicable for which of the following?

 stable systems
 Both 2 and 3
 unstable systems
 marginally stable systems

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Electric Circuits
Time constant of RC series circuit is

 L/R
 2L/R
 RC
 2RC

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 1 V.
 None of these.
 0.5 V.
 2 V.

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

 changing the overlapping area of the plates only.
All of these
 changing the dielectric medium only.
 changing the distance between the plates only.

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MORE MCQ ON Electric Circuits

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