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Electric Circuits

Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.01 A.
 0.316 A.
 0.1 A.
 1 A.

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Electric Circuits
A variable capacitance is one whose capacitance

 can be changed manually or by mechanical force.
 changes with temperature.
 changes with time.
 changes with voltage.

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Electric Circuits
A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V.

 2
 8
 36
 50

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 None of these.
  2 A.
 1 A.
 3 A.

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Electric Circuits
Ceq of two capacitors connected in series is given by

 C1 C2 / (C1 + C2).
 C1 = C2.
 C1C2.
 C1 + C2.

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Electric Circuits
During electroplating the weight of substance deposited depends on

 room temperature.
 shape of article.
 atmospheric humidity.
 quantity of electricity.

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MORE MCQ ON Electric Circuits

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