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Electric Circuits

Electric Circuits
In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor?

 2A
 4A
 3A
 5A

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 10 mH.
 20 mH.
 0 mH.
 5 mH.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 20 microfarad.
 1 microfarad.
 3.2 microfarad.
 8 microfarad.

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Electric Circuits
Which of the following defined the average value ?

 Heating effect
 Current
 Voltage
 Charge transfer

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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

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

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 9/8 W.
 7.5 W.
 1 W.
 6/8W.

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