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Electric Circuits

Electric Circuits
Which property is used to oppose the flow of current ?

 Inductance
 Poteintial difference
 Capacitance
 Resistance

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Electric Circuits
Given network is having N nodes and B branches, then number of twigs are

 B - N - 1.
 B - N + 1.
 N - 1.
 N.

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Electric Circuits
Types of rotating machines

 transformer.
 both B and C.
 IM.
 synchronous machine.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 1 A.
 2 A.
 2.5 A.
 4 A.

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin50πt.
 30sin25πt.
 42.4sin50πt.
 42.4sin25πt.

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

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

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MORE MCQ ON Electric Circuits

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