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Electric Circuits

Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 Glass.
 Electrolytic.
 both (B) and (C) above.
 Paper.

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Electric Circuits
Power factor can be defined as

 ratio of resistance versus impedance.
 cosine of angle between voltage and current.
 sine of voltage and current.
 both option B and C.

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Electric Circuits
The mass of a neutron of atom is

 1.609 × 10 - 31 Kg.
 1.672 × 10 - 26 Kg.
 1.602 × 10 - 19 Kg.
 1.675 × 10 - 27 Kg.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

 Both
None of these
 0
 ∞

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Electric Circuits
The unit of electric displacement vector is

 C/m2.
 C - m.
 C/m.
 Ampere-m.

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Electric Circuits
The energy stored by a capacitor is given by

 1/2 CV2.
 1/2 QV.
 all of them.
 Q2 / 2C.

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MORE MCQ ON Electric Circuits

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