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Electric Circuits

Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 2 V.
 0.5 V.
 1 V.
 None of these.

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Electric Circuits
The electron is lighter than a proton by a factor of about

 18400.
 184.
 18.4.
 1840.

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Electric Circuits
Atoms with fewer than 4 valence electrons are

 semi-conductor.
 conductor.
 insulator.
 none of these.

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Electric Circuits
Which of the followings is/are active element?

 Both
 Voltage source
 Current source
 None of these.

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Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

 XL > R
 XL = R
 XL < R
All of these

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 1 Ω.
 0.1 Ω.
 100 Ω.
 10 Ω.

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