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Electric Circuits

Electric Circuits
The electron is lighter than a proton by a factor of about

 184.
 18400.
 1840.
 18.4.

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Electric Circuits
Internal resistance of ideal current source is

 finite
 infinite
 100 ohms
 zero

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 N - 1.
 b - N - 1.
 N.
 b - N + 1.

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 2.56
 0.5
 1
 3.149

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Electric Circuits
In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit?

 10A
 0A
 5A
 20A

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Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 20 times.
 60 times.
 Nil.
 200 times.

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MORE MCQ ON Electric Circuits

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