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Electric Circuits

Electric Circuits
In the circuit given below the value of resistance Req is

 11.18 Ω.
 11.86 Ω.
 10 Ω.
 25 Ω.

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 2:4:6.
 6:3:2.
 2:3:6.
 6:4:2.

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Electric Circuits
The number of electrons in the outer most orbits of carbon atom is

 4.
 6.
 7.
 3.

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 50 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.
 40 Ω and 200 Ω.

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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?

 5A
 10A
 2A
 0A

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Electric Circuits
In series R, L circuit power factor can be defined as

 Vr/V
 P/S
 R/Z
All of these

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MORE MCQ ON Electric Circuits

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