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Electric Circuits

Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 15 μF.
 1.5 F.
 1.5 μF.
 0.015 F.

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Electric Circuits
Kirchhoffs laws are valid for

  passive time invariant circuits.
  linear circuit only.
  both linear and non-linear circuits.
  non-linear circuits only.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 zero, zero
 infinite, zero
 infinite, infinite
 zero, infinite

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Electric Circuits
The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be

 5 A.
 0 A.
 6 A.
 10 A.

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Electric Circuits
Current locus is obtained by which of the following?

None of these
 Varying source frequency
 Either of these
 Varying any one of the circuit element

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 450
 360
 200
 250

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