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Electric Circuits

Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 high
 unity
 low
 zero

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Electric Circuits
Instantaneous power in inductor is proportional to the

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

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Electric Circuits
Active filter consists of

 capacitor.
 op-amp and capacitor.
 op-amp.
 inductor.

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Electric Circuits
A 60 Hz frequency voltage would cause a bulb to turn on and off

 120 times per second.
 60 times per second.
 80 times per second.
 70 times per second.

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Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 2.9585.
 2.185.
 1.285.
 2.585.

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Electric Circuits
Which of the following are the passive elements?

 Bulb
 Resistor
 None of these.
 Both

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MORE MCQ ON Electric Circuits

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