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Electric Circuits

Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.316 A.
 0.1 A.
 1 A.
 0.01 A.

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Electric Circuits
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is

 halved.
 doubled.
 increase by two times.
 remain same.

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Minimum
 Any of the above
 Zero

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Electric Circuits
Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values

 20
 10
 15
 5

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q × d.
  Q2 × d.
  Q2 / d.
  Q / d2.

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 negative plate.
 positive plate.
 none of the plates.
 both plates.

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