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Electric Circuits

Electric Circuits
The current in the resistor R shown in figure will be

 0.6 A.
 0.8 A.
 0.2 A.
 0.4 A.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in reverse direction.
 107.14 rpm in reverse direction.
 5250 rpm in forward direction.
 107.14 rpm in forward direction.

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Electric Circuits
What is the SI unit of electric current ?

 Ohm.
None of these
 Ampere.
 Faraday.

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Electric Circuits
For steady state current inductor acts as

 Open circuit
 Voltage source
 Short circuit
 Current source

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 4 W.
 12 W.
 8 W.
 2 W.

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Electric Circuits
Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

 Yellow, violet, yellow and silver stripes.
 Brown, black, orange and no tolerance band.
 Orange, orange, black and gold stripes.
 Red, red, green and silver stripes.

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