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Electric Circuits

Electric Circuits
A wire of resistance R has it length and cross - section both doubled. Its resistance will become

 4R.
 0.5R.
 R.
 2R.

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

 0A
 10A
 5A
 2A

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 lagging
 zero
 leading
 unity

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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.
 -2 V.
 -1 V.

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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.

 3600.
 7.5.
 240.
 675.

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

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MORE MCQ ON Electric Circuits

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