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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

 power
 current
None of these
 voltage

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Electric Circuits
Two resistor are said to be connected in parallel when

 total current equals the sum of branch currents.
 both ‘b’ and ‘c’
 both carry the same value of current.
 both have the same potential difference.

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Electric Circuits
The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is

 -2 V.
 -1 V.
 1 V.
 2 V.

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Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 250
 900
 130
 400

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

 Daraf.
 Lumens.
 Tesla.
 Weber.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 2.36.
 5.77.
 1.92.
 4.71.

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