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Electric Circuits

Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 7.5 W.
 9/8 W.
 1 W.
 6/8W.

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Electric Circuits
Which of following is the unit of magnetic flux density?

 Lumens.
 Daraf.
 Tesla.
 Weber.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 10
 1
 2.5
 - 1.25

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 2 kΩ, 0.5 W.
 2 kΩ, 1 W.
 0.5 kΩ, 2 W.

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Electric Circuits
Common impurity in battery electrolyte is

 dust.
 iron.
 lead sulfate.
 sodium chloride.

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

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

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MORE MCQ ON Electric Circuits

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