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Electric Circuits

Electric Circuits
Time constant of RC series circuit is

 2RC
 RC
 2L/R
 L/R

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Electric Circuits
For closer tolerance which of the following capacitors is usually preferred?

 Mica capacitor.
 Ceramic disc capacitor.
 Paper capacitor.
 None of them.

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Electric Circuits
The electrical resistance of human body is around

  250 ohms.
  5 ohms.
  1000 ohms.
  25 ohms.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 2.36.
 1.92.
 5.77.
 4.71.

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Electric Circuits
What is Va in the below circuit?

 (6R - 10) / 3.
 (3R + 10) / 3.
 (4R + 10) / 3.
 (6R + 10) / 3.

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 10 µF
 40 µF
 160 µF

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MORE MCQ ON Electric Circuits

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