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Electric Circuits

Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 Ohm.
 No units.
 Mho.
 Either Ohm or Mho.

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Electric Circuits
In which of the circuits power factor can be zero?

 inductive.
 both ‘a’ and ‘b’
 capacitive.
 resistive.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 εr/F.
 0.
 F.
 F εr.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 infinite.
 indeterminate.
 1.
 0.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 1000 Hz.
 10 kHz.
 100 Hz.
 50 Hz.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-27 Coulomb
 1.6022 × 10-7 Coulomb
 1.6022 × 10-19 Coulomb
 1.6022 × 10-8 Coulomb

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