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Electric Circuits

Electric Circuits
In the network shown, what is the current I in the direction shown?

 0 A.
 4 A.
 5 / 6 A.
 1 / 3 A.

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Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s.
 s2.
 1/s2.
 s.

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Electric Circuits
What is the unit of potential difference ?

 Watt
 Ohm
 Ampere
 Volt

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Electric Circuits
An electric field line and an equipotential surface are

 always parallel.
 inclined at any angle.
 always perpendicular.
 none of above.

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Electric Circuits
The internal resistance of a dry cell is of the order of

  2 to 5 Ohm.
  1 to 1.5 Ohm.
  0.2 to 0.4 Ohm.
  1 to 15 Ohm.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 28.8o.
 40.4o.
 20.2o.
 32.1o.

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MORE MCQ ON Electric Circuits

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