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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 45o.
 0o.
 90o.
 30o.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Paper.
 Mica.
 Electrolytic.

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Electric Circuits
By which of the following elements transients will not occur?

All of these
 R
 C
 L

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current remain unaltered.
 the current decreases abruptly.
 the current decreases.
 the current increases.

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Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 iL(0) = ic (0).
 None of these.
 i(0+)= iL(0+).

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