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Electric Circuits

Electric Circuits
Which of the following ABCD parameters is unit less?

 A and C.
 B and C.
 A and B.
 A and D.

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Electric Circuits
Instantaneous power in inductor is proportional to the

 square of the rate of change of current.
 product of the instantaneous current and rate of change of current.
 temperature of the inductor.
 square of instantaneous current.

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Electric Circuits
Active materials of a lead acid cell are

 dilute H2SO4.
 spongy lead.
 all of above.
 lead peroxide.

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

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

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Electric Circuits
The charge of an electron is

 - 1.675 × 10 - 27 Coulombs.
 - 1.672 × 10 - 27 Coulombs.
 - 9.109 × 10 - 31 Coulombs.
 - 1.602 × 10 - 19 Coulombs.

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Electric Circuits
Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?

None of these
 The current through each bulb is same.
 The power dissipation in each bulb is not same.
 The voltage across each bulb is not same.

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