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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75 V, 1.5 Ohm
 1.5V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 1.414 A.
 0.494 A.
 0.741 A.
 1.57 A.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 infinite.
 indeterminate.
 1.
 0.

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Electric Circuits
The internal resistance of a dry cell is of the order of

  2 to 5 Ohm.
  1 to 1.5 Ohm.
  1 to 15 Ohm.
  0.2 to 0.4 Ohm.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.2 A.
 0.4 A.
 0.6 A.
 0.8 A.

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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.
  increase.
  none of these.
  decrease.

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