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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 greater than
 less than
 equals to
 any of the above

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Electric Circuits
In the above question find the angle between voltage and current?

 54.74.
 60.
 30.
 90.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Current source.
 Voltage source.
 Resistance.
 Both of above.

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Electric Circuits
To reduce hysteresis loss, we use

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

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 63.7 Ω.
 0.015 Ω.
 1.765 Ω.
 135.86 Ω.

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 25 times larger than before.
 10 times greater than before.
 5 times greater than before.
 5 times smaller than before.

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MORE MCQ ON Electric Circuits

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