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Electric Circuits

Electric Circuits
What is a resistor?

 Inductor
 Test
 Hello
 Capacitor

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Electric Circuits
A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+?

 dielectric losses increases.
 short circuit.
 open circuit.
 dielectric losses decreases.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Force
 Power
 Charge
 Current

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Electric Circuits
Air gap flux density is of the order of

 0.75 - 0.8 T.
 0.85 - 0.9 T.
  0.35 - 0.5 T.
  0.65 - 0.9 T.

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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, zero
 zero, infinite

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Electric Circuits
Cells are connected in parallel in order to increase

 life of the cells.
 current capacity.
 efficiency.
 voltage rating.

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MORE MCQ ON Electric Circuits

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