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Electric Circuits

Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 40 Ω.
 5 Ω.
 10 Ω.
 20 Ω.

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Electric Circuits
Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant?

 Thevnin theorem.
 Millman theorem.
 Norton Theorem.
 Tellegen theorem.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

None of these
 doubled as compared to previous one.
 halved as compared to previous one.
 remains same.

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Electric Circuits
The frequency of EMF generated by a generator depends upon its

 both speed and number of poles.
 nature of supply.
 speed.
 number of poles.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm
 0.75V, 5/6 Ohm

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 1 W.
 21 W.
 24.5 W.
 11 W.

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MORE MCQ ON Electric Circuits

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