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Electric Circuits

Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 5.08 A.
 10.16 A.
 2.54 A.
 1.27 A.

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Electric Circuits
Emf induced in a coil rotating in a uniform magnetic field will be maximum when the

 rate of cutting flux by coil sides is minimum.
 rate of change of flux linkage is maximum.
 flux linking with the coil is maximum.
 rate of change of flux linkage is minimum.

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Electric Circuits
Electrics supply for electroplating should be

 low frequency ac voltage.
 any of above.
 DC voltage.
 low AC voltage.

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Electric Circuits
The electrical resistance of human body is around

  1000 ohms.
  25 ohms.
  250 ohms.
  5 ohms.

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Minimum
 Any of the above
 Zero

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Electric Circuits
Active element of electrical circuit is

 both of them.
 voltage source.
 current source.
 none of above.

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MORE MCQ ON Electric Circuits

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