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Electric Circuits

Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  35.6 kW.
  40 kW.
  37.3 kW.
  30 kW.

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Electric Circuits
Unit step function is first derivative of

 gate function.
 impulse function.
 ramp function.
 parabolic function.

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M / 2.
 2 M.
 M / L.
 M.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-27 Coulomb
 1.6022 × 10-7 Coulomb
 1.6022 × 10-19 Coulomb
 1.6022 × 10-8 Coulomb

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Electric Circuits
Two resistor are said to be connected in parallel when

 both carry the same value of current.
 total current equals the sum of branch currents.
 both have the same potential difference.
 both ‘b’ and ‘c’

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

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

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MORE MCQ ON Electric Circuits

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