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Electric Circuits

Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 1.2 A.
 1.5 A.
 2.4 A.
 4.8 A.

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 8 W.
 12 W.
 2 W.
 4 W.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 1000 N.
 10000 N.
 100 N.

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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?

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

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Electric Circuits
For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

  (8.66 + j5) A.
  (-9.66 + j5) A.
  (-8.66 - j5) A.
  (8.66 - j5) A.

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Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 disc.
 meshed plates.
 rolled foil.

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MORE MCQ ON Electric Circuits

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