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Electric Circuits

Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 130
 900
 250
 400

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Electric Circuits
Discrete values represent which type of signal

 Discretal
 Digital
 Decimal
 Analog

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Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z22.
 Z12 = Z21.
 Z12 = Z22.
 Z11 = Z12.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Series C.
 Series L.
 Parallel C.
 Parallel L.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  - 50 V.
 50 V.
  none of above.
  30 V.

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  No.
  Single way switch doesn operate at such current ratings.
  Yes.
  Single way switch doesn exist.

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