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Electric Circuits

Electric Circuits
What is mean by flow of electrons?

 Insulator.
 Voltage.
 Electric current.
 Semiconductor.

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

  4.123 V.
 {3 + 2(1.141)} V.
 7 V.
  5 V.

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Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 10A
 0A
 5A
 1A

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 1 Ω.
 200 Ω.
 400 Ω.
 4 kΩ.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  both during charging as well as discharging.
  discharging only.
  neither during charging nor discharging.
  charging only.

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Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

 XL = R
 XL > R
 XL < R
All of these

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MORE MCQ ON Electric Circuits

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