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Electric Circuits

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

 4.
 Not possible.
 2.
 1.

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Electric Circuits
Electric field intensity ( E ) at any point in an electric field is equal to

 ( potential gradient )1/3.
 ( potential gradient )1/2.
 potential gradient.
 ( potential gradient )2.

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Electric Circuits
Unit of apparent power is

 VA.
 Watts.
 VAR.
 KWhr.

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Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y11.
 none of these.
 Y22.
 Y12.

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Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc / Req.
 Voc = Req /Isc.
 Voc = Isc / Req.
 Isc = Voc Req.

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

 0.01 A.
 0.1 A.
 0.316 A.
 1 A.

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