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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 8V
 10V
 16V
 4V

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 5.2.
 6.
 3.4.
 0.6.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance.

 2.25 µF.
 0.47 µF.
 1.58 µF.
 6.37 µF.

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Electric Circuits
A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be?

 Ceramic capacitor.
 Paper capacitor.
 Any of above.
 Electrolytic capacitor.

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 fall time.
 rise time.
 run time.
 decay time.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Current
 Charge
 Force
 Power

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