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Electric Circuits

Electric Circuits
Which of the following is the heaviest?

 Atom.
 Electron.
 Molecule.
 Proton.

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Electric Circuits
Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be

  + 5 %.
 + 8 %.
  + 6 %.
 + 7 %.

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 f0 / 2.
 f0 / 4.
 still f0.
 2f0.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 7.96 Ω.
 15.92 Ω.
 31.84 Ω.
 63.68 Ω.

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Electric Circuits
The form factor of sinusoidal alternating current is

 1.
 0.
 1.11.
 1.15.

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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
 2A
 10A
 5A

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