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Electric Circuits

Electric Circuits
The number of electrons in the outer most orbits of carbon atom is

 3.
 6.
 7.
 4.

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for designing purpose.
 for protection purpose.
 all pins are of same size.
 none of these.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 1/4.
 16.
 4.
 1.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 125 pF.
 500 pF.
 1000 pF.
 250 pF.

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 50 Ohms.
 400 Ohms.
 200 Ohms.
 100 Ohms.

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Electric Circuits
The capacity of a lead acid cell does not depends on its

 rate of charge.
 temperature.
 rate of discharge.
 quantity of active material.

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MORE MCQ ON Electric Circuits

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