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Electric Circuits

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?

 2 A.
 0 A.
 4 A.
 3 A.

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Electric Circuits
To reduce hysteresis loss, we use

 copper bars.
 laminated sheets.
 CRGO steel.
 soft-iron.

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 4 A.
 2 A.
 3 A.
 1 A.

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εr
 εrε0
 ε0
 εr/ε0

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Electric Circuits
In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be

 0.6.
 0.4.
 0.85.
 0.9.

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Electric Circuits
If the peak value of a sine wave is 100 V, then its RMS value will be

 70.7 V.
 100 V.
 63.6 V.
 88 V.

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MORE MCQ ON Electric Circuits

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