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Electric Circuits

Electric Circuits
What is mean by flow of electrons?

 Insulator.
 Semiconductor.
 Voltage.
 Electric current.

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 222 AT / m.
 144 AT / m.
 196 AT / m.
 72 AT / m.

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Electric Circuits
What is apparent power in AC operation?

 Product of rms voltage and rms current.
 Product of voltage and current at no load.
 Product of voltage and current at full load.
 Product of voltage and current.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75V, 5/6 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm
 1.5V, 1.5 Ohm

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Electric Circuits
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 9.7 ohms.
 8.7 ohms.
 7.7 ohms.
 6.7 ohms.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 2.22
 0
 1.11
 1

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MORE MCQ ON Electric Circuits

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