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ELECTRIC CIRCUITS

Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 parallel.
 either parallel or series.
 series.
None of these

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Electric Circuits
Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is

 5 / 6 Ω.
 6 / 5 Ω.
 5 Ω.
 6 Ω.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 0.01 J.
 10 × 10-9 J.
 0.05 J.
 5 × 10-9 J.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

 111 ± 2.77 Ω.
  111 ± 5.55 Ω.
 111 ± 7.23 Ω.
  111 ± 0 Ω.

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Electric Circuits
A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is

 14.14 A.
 10 A.
 24.14 A.
 zero.

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