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ELECTRIC CIRCUITS

Electric Circuits
Kirchhoff’s current law is used for

 representing a current source.
 nodal analysis.
 finding equivalent resistance.
 loop analysis.

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Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
Flux in a magnetic circuit can be compared in an electric circuit to

 resistance.
 inductance.
 voltage.
 current.

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Electric Circuits
If the peak value of a sine wave is 100 V, then its RMS value will be

 70.7 V.
 100 V.
 88 V.
 63.6 V.

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Electric Circuits
To reduce hysteresis loss, we use

 soft-iron.
 copper bars.
 laminated sheets.
 CRGO steel.

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