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Electric Circuits

Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 24.5 W.
 11 W.
 1 W.
 21 W.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Current
 Force
 Charge
 Power

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 b - N - 1.
 N.
 b - N + 1.
 N - 1.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 1/4.
 4.
 1.
 16.

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 7V
 3V
 4V
 5V

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

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

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MORE MCQ ON Electric Circuits

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