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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc Req.
 Isc = Voc / Req.
 Voc = Isc / Req.
 Voc = Req /Isc.

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Electric Circuits
If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be

 9.67 μF.
 2.21 μF.
 3 μF.
 6 μF.

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Electric Circuits
Resistor stores the energy in the form of

 electrical field.
 magnetic field.
 both A and B.
None of these

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Electric Circuits
Which law(s) find application in electrolysis?

 Faradays law.
 Gausss law.
 Ohms law.
 Coulombs law.

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 40 Ω.
 25 Ω and 5 Ω.
 50 Ω and 200 Ω.
 40 Ω and 200 Ω.

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Electric Circuits
A current is said to be alternating when it changes in

 none of these.
 direction.
 magnitude.
 both ‘a’ and ‘b’.

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MORE MCQ ON Electric Circuits

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