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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Weber
  Tesla
 Ampere turn
 Newton

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 High Q factor
 Unity Q factor
 Low Q factor
 Zero Q factor

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Electric Circuits
A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t}

 24.5 W.
 21 W.
 11 W.
 1 W.

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 zero.
 minimum.
 maximum.
 VI.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 20 microfarad.
 1 microfarad.
 3.2 microfarad.
 8 microfarad.

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 107.
 105.
 10 - 6.
 10 - 4.

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