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Electric Circuits

Electric Circuits
Voltage magnification will occur in which of the following case?

 Both
 Parallel resonance
 Series resonance
None of these

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Electric Circuits
A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is

 100 V.
 0 V.
 75 V.
 125 V.

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Electric Circuits
Our household apparatus are connected in

 cascade.
 parallel.
 series.
 series and parallel combination.

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Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 3 V.
 1 V.
 4 V.
 2 V.

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 two in series and third in parallel across this combination.
 all in parallel.
 two in parallel and third in series with this combination.
 all in series.

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Electric Circuits
Mesh analysis is applicable for

 neither planar and non planar networks..
 non planar networks.
 planar networks.
 both planar and non planar networks.

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