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Electric Circuits

Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 16.
 1.
 1/4.
 4.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.1 μF.
 0.01 μF.
 1 μF.
 0.001 μF.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 3 V.
 5 V.
 1.5 V.
 15 V.

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Electric Circuits
Galvanizing is the coating of

 chromium.
 brass.
 lead.
 zinc.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 10
 2.5
 1
 - 1.25

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Electric Circuits
Lowest current density is generally recommended for plating of

 cadmium.
 silver.
 bronze.
 chromium.

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MORE MCQ ON Electric Circuits

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