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Electric Circuits

Electric Circuits
The resistance of 200 W, 200 V lamp is

 400 Ω.
  200 Ω.
 100 Ω.
 800 Ω.

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Electric Circuits
When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

 mixed.
 as in series.
 in either series or parallel.
 in parallel.

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Electric Circuits
Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

 Red, red, green and silver stripes.
 Yellow, violet, yellow and silver stripes.
 Brown, black, orange and no tolerance band.
 Orange, orange, black and gold stripes.

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Electric Circuits
In a lead acid cell, hydrogen is liberated at

 both plates.
 negative plate.
 positive plate.
 none of the plates.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.4 A.
 0.2 A.
 0.8 A.
 0.6 A.

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Electric Circuits
Zinc cadmium and lead coating is generally provided for

  all of above.
  corrosion.
  decoration.
  electrical contacts.

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MORE MCQ ON Electric Circuits

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