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Electric Circuits

Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 4 A.
 5 A.
 10 A.
 6 A.

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

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

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Electric Circuits
Bulb in street lighting are connected in

 end of end.
 parallel.
 series parallel.
 series.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 0.494 A.
 1.57 A.
 1.414 A.
 0.741 A.

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Electric Circuits
1 F is theoretically equal to

 ratio of 1 C to 1 V
 none of these
 ratio of 1 V to 1 C
 1 ohm of resistance

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Electric Circuits
Poles and zeros are arranged alternatively on imaginary axis, then type of network is?

 Any of the above
 RC network
 RL network
 LC network

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