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Electric Circuits

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

 25 Ω.
 11.18 Ω.
 11.86 Ω.
 10 Ω.

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Electric Circuits
Which of the following is the heaviest?

 Molecule.
 Atom.
 Electron.
 Proton.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 - 90°
 90°
 0°
 45°

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 0.5 mA.
 1 mA.
  0.25 mA.
 0.35 mA.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 8 microfarad.
 3.2 microfarad.
 20 microfarad.
 1 microfarad.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

 doubled as compared to previous one.
 halved as compared to previous one.
None of these
 remains same.

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MORE MCQ ON Electric Circuits

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