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Electric Circuits

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

 1 A.
 0.01 A.
 0.1 A.
 0.316 A.

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 35 mH.
 38 mH.
 30 mH.
 34 mH.

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Electric Circuits
A capacitor

 passes DC but blocks AC.
 passes AC but blocks DC.
 blocks both AC and DC.
 passes both AC and DC.

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Electric Circuits
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 Not possible.
 1.
 2.
 4.

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Electric Circuits
Mesh analysis is prefered when loops are------nodes

 equals to
 greater than
 any of the above
 less than

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 30 V.
 50 V.
 20 V.
 60 V.

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