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Electric Circuits

Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 2A
 0A
 5A
 10A

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in series.
 in 3 parallel rows each row having 4 cells in series.
 in 4 parallel rows each row having 3 cells in series.
 all 12 in parallel.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 1.5 V.
 5 V.
 15 V.
 3 V.

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Electric Circuits
Unit of apparent power is

 VA.
 Watts.
 KWhr.
 VAR.

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Electric Circuits
If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will

 increase.
 becomes zero.
 remains unchanged.
 decrease.

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Electric Circuits
A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC.

 240.
 7.5.
 675.
 3600.

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