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Electric Circuits

Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 current.
 resistance.
 power.
 voltage.

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Electric Circuits
The mass of a proton is

 1.672 × 10 - 27 Kg.
 1.609 × 10 - 31 Kg.
 1.602 × 10 - 19 Kg.
 1.675 × 10 - 27 Kg.

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Electric Circuits
Our household apparatus are connected in

 series and parallel combination.
 cascade.
 parallel.
 series.

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  8.85 A.
  50 A.
  5 A.
  zero.

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Electric Circuits
Which of the following defined the average value ?

 Charge transfer
 Heating effect
 Voltage
 Current

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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

 10000 N.
 100 N.
 10 N.
 1000 N.

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MORE MCQ ON Electric Circuits

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