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Electric Circuits

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

 b - N - 1.
 N - 1.
 b - N + 1.
 N.

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

 184.
 1840.
 18400.
 18.4.

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Electric Circuits
The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

 2 mA.
 0 mA.
 1 mA.
 6 mA.

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

  4.123 V.
 {3 + 2(1.141)} V.
  5 V.
 7 V.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 100 N.
 1000 N.
 10000 N.

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Electric Circuits
Which of the following are the passive elements?

 Resistor
 None of these.
 Both
 Bulb

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MORE MCQ ON Electric Circuits

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