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Electric Circuits

Electric Circuits
Capacitors for P.f correction are rated in

 KVAR.
 KW.
 KVA.
 KV.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 0.707 mA.
 14.14 mA.
 28.28 mA.
 7.07 mA.

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Electric Circuits
Advantage of active filter is

  easy to tune.
  both of above.
  derive high impedance load.
  do not offer gain.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2.5 A.
 2 A.
 4 A.
 1 A.

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Electric Circuits
To reduce hysteresis loss, we use

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

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Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 15.
 105.
 75.
 60.

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