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Electric Circuits

Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Paper.
 Mica.
 Ceramic.
 Electrolytic.

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Electric Circuits
If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of

 time.
 reactive power.
 power.
 frequency.

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 output port is short circuited.
 output port is open circuited.
 input port is open circuited.
 input port is short circuited.

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Electric Circuits
For closer tolerance which of the following capacitors is usually preferred?

 Mica capacitor.
 Paper capacitor.
 Ceramic disc capacitor.
 None of them.

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Electric Circuits
Electric flux is proportional to

 potential difference between electrodes.
 resistivity of medium.
 rate of change of current.
 rate of change of potential difference.

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Vacuum, air.
 Titanium oxide.
 Glass.
 Oil impregnated paper.

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