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Electric Circuits

Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 non linear.
 linear.
 bilateral.
 unilateral.

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Electric Circuits
The term trickle charge is associated with

 silver zinc battery.
 nickel iron battery.
 dry cell.
 lead acid battery.

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Electric Circuits
In the given figure, the Thevenins equivalent voltage and impedance as seen from the terminals P - Q is given by

 4 V and 7.5 Ω.
 4 V and 5 Ω.
 2 V and 5 Ω.
 2 V and 7.5 Ω.

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 5 times smaller than before.
 10 times greater than before.
 5 times greater than before.
 25 times larger than before.

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Electric Circuits
KCL works on the principle of which of the following

None of these
 law of conservation of energy.
 law of conservation of charge.
 both.

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 still f0.
 2f0.
 f0 / 2.
 f0 / 4.

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