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Electric Circuits

Electric Circuits
Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values

 15
 10
 5
 20

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (3 + j4) pu
 (2 + j4) pu
 (4 + j2 ) pu
 (4 + j3) pu

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 100 mA.
 30 mA.
 3 A.
 300 mA.

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 lagging
 leading
 unity
 zero

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Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 4 A.
 3 A.
 0 A.
 2 A.

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Electric Circuits
Which of the following is the heaviest?

 Atom.
 Electron.
 Proton.
 Molecule.

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MORE MCQ ON Electric Circuits

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