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Electric Circuits

Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 - 2 W.
 2 W.
 - 4 W.
 4 W.

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 5 A
 1 A
 3.33 A
 23.33 A

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Electric Circuits
Which of the following ABCD parameters is unit less?

 B and C.
 A and B.
 A and C.
 A and D.

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

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

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Electric Circuits
Power factor can be defined as

 sine of voltage and current.
 ratio of resistance versus impedance.
 cosine of angle between voltage and current.
 both option B and C.

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Electric Circuits
Unit step function is first derivative of

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

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MORE MCQ ON Electric Circuits

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