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Electric Circuits

Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 6 A.
 600 A.
 1 A.
 100 A.

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Electric Circuits
The resistivity of the conductor depends on

 none of these.
 type of material.
 length of the conductor.
 area of the conductor.

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 input port is open circuited.
 input port is short circuited.
 output port is open circuited.
 output port is short circuited.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  remain constant.
  decrease.
  none of these.
  increase.

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 100 V, 50 Hz.
 50√2 V, 100 Hz.
 100√2 V, 100 Hz.
 100 V, 100 Hz.

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

 4.
  2.
  0.5.
 0.25.

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