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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 less than
 equals to
 any of the above
 greater than

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

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

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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?

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

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Electric Circuits
The plates of lead acid storage battery are most likely to be short circuited if

 sediment collect at the bottom of the battery.
 the electrolyte evaporates.
 too much water is added.
 the battery charged too slowly.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 27.4 Ω.
 13.7 Ω.
 9.6 Ω.
 11.3 Ω.

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 400 Ω.
 1 Ω.
 4 kΩ.
 200 Ω.

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MORE MCQ ON Electric Circuits

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