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Electric Circuits

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

 1 W.
 11 W.
 21 W.
 24.5 W.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

 Both
None of these
 0
 ∞

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Electric Circuits
A dependent source can be

 both a voltage or a current source.
 neither a voltage nor a current source.
 a voltage source.
 a current source.

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 2:3:6.
 6:3:2.
 2:4:6.
 6:4:2.

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Electric Circuits
Instantaneous power in inductor is proportional to the

 square of the rate of change of current.
 temperature of the inductor.
 product of the instantaneous current and rate of change of current.
 square of instantaneous current.

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Electric Circuits
Which cell has the reversible chemical reaction?

 Lead acid.
 Mercury oxide.
 Carbon Zinc.
 Silver oxide.

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MORE MCQ ON Electric Circuits

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