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Electric Circuits

Electric Circuits
What is the SI unit of electric current ?

 Ohm.
 Faraday.
 Ampere.
None of these

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, infinite
 infinite, zero
 zero, infinite
 zero, zero

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Electric Circuits
The basic circuit elements are

 both A and B.
None of these
 Vs, Is.
 R, L and C.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

 111 ± 7.23 Ω.
  111 ± 5.55 Ω.
 111 ± 2.77 Ω.
  111 ± 0 Ω.

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Electric Circuits
The value of V in the circuit shown in the given figure is

  3 V.
 4 V.
  2 V.
 5 V.

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Electric Circuits
A variable capacitance is one whose capacitance

 changes with temperature.
 changes with time.
 can be changed manually or by mechanical force.
 changes with voltage.

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MORE MCQ ON Electric Circuits

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