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Electric Circuits

Electric Circuits
In ideal system coefficient of coupling(k) is

 Both 2 and 3
 ∞
 1
 0

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Electric Circuits
Which of the following has least resistivity?

 Aluminium.
 Copper.
 Lead.
 Mercury.

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Electric Circuits
Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be

 0.02 N
 100 N
 400 N
 160 N

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Electric Circuits
In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is

 10 A.
 6 A.
 8 A.
 12 A.

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Electric Circuits
The basic circuit elements are

 R, L and C.
 Vs, Is.
 both A and B.
None of these

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Electric Circuits
Ampere second is the unit of

 charge.
 power.
 energy.
 conductance.

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MORE MCQ ON Electric Circuits

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