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Electric Circuits

Electric Circuits
The electrical resistance of human body is around

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

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Electric Circuits
Time constant of RL series circuit is

 2L/R
 RC
 2RC
 L/R

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Electric Circuits
When the battery is being charged, the terminal voltage decreases with

 none of these.
 increasing temperature.
 increasing state of charge.
 increasing charging rate.

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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 / 4.
 still f0.
 f0 / 2.
 2f0.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10000 N.
 10 N.
 100 N.
 1000 N.

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Electric Circuits
Unit step function is first derivative of

 parabolic function.
 impulse function.
 ramp function.
 gate function.

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MORE MCQ ON Electric Circuits

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