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Electric Circuits

Electric Circuits
An electric field can deflect

 neutrons.
 gamma-rays.
 x-rays.
 alpha particles.

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Electric Circuits
During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

  atomic weights.
  chemical equivalents.
  valency.
  atomic numbers.

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

 1.5 A.
 4.8 A.
 1.2 A.
 2.4 A.

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

 3 Ω and 9 Ω.
  1.5 Ω and 3 Ω.
  3 Ω and 6 Ω.
 6 Ω and 9 Ω.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 8R Ω
 2R Ω
 R Ω
 4R Ω

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Electric Circuits
The life of a lead acid battery is expected to be

 1 year.
 6 months.
 10 to 15 years.
 2 to 5 years.

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MORE MCQ ON Electric Circuits

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