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Electric Circuits

Electric Circuits
Under resonance condition the power factor of a system is

 leading
 any of the above
 lagging
 unity

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

 series
  both of above
 parallel
  none of them

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Electric Circuits
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre?

 1.56.
 0.020.
 3.12.
 6.24.

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 7.5 W.
 1 W.
 6/8W.
 9/8 W.

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

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

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -27.4 V.
 -28.4 V.
 None of them
 34.4 V.

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