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Electric Circuits

Electric Circuits
The linear circuit element is

 resistor.
 inductor.
 all of above.
 capacitor.

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Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

None of these
 0.5 W.
 1 W.
 2 W.

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Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 60 times.
 200 times.
 20 times.
 Nil.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 - ω2
 √(ω1² + ω2²)
 ω1 + ω2
 ω1 / ω2

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Electric Circuits
What is Va in the below circuit?

 (4R + 10) / 3.
 (6R + 10) / 3.
 (3R + 10) / 3.
 (6R - 10) / 3.

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Electric Circuits
Instantaneous power in inductor is proportional to the

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

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MORE MCQ ON Electric Circuits

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