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Electric Circuits

Electric Circuits
Which of the following are the passive elements?

 None of these.
 Bulb
 Resistor
 Both

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Electric Circuits
Time constant of RC series circuit is

 2L/R
 2RC
 RC
 L/R

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Electric Circuits
Discrete values represent which type of signal

 Digital
 Discretal
 Analog
 Decimal

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Electric Circuits
If P is the power of a star connected system then what will be power of an equivalent delta connected system?

None of these
 P/3
 3P
 P

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 200 to 1600 volts.
 20 to 60 volts.
 more than 10000 volts.
 2000 to 3000 volts.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 F εr.
 F.
 εr/F.
 0.

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MORE MCQ ON Electric Circuits

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