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Electric Circuits

Electric Circuits
Which field is associated with the capacitor?

 Magnetic.
 Both of (A) and (B).
 None of above.
 Electric.

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Electric Circuits
In direct arc furnace which of following is of high value?

 Current.
 All of above.
 Voltage.
 Power factor.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 N.
 b - N - 1.
 N - 1.
 b - N + 1.

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

 30o.
 45o.
 90o.
 0o.

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Electric Circuits
If a pure inductor is connected across the ac source, the average power taken by the inductor is

 maximum power.
 a few watt.
 zero watt.
 100 watt.

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Electric Circuits
If a large resistance is connected in parallel to a small resistance then net resistance will be

 smaller than the small resistance.
 smaller than the greater but larger than the smaller resistance.
None of these
 greater than the large resistance.

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