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Electric Circuits

Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 1000 ohms.
 5000 ohms.
 500 ohms.
 50 ohms.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

  111 ± 0 Ω.
  111 ± 5.55 Ω.
 111 ± 2.77 Ω.
 111 ± 7.23 Ω.

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Electric Circuits
If a large resistance is connected in parallel to a small resistance then net resistance will be

None of these
 greater than the large resistance.
 smaller than the small resistance.
 smaller than the greater but larger than the smaller resistance.

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

 s2.
 1/s.
 s.
 1/s2.

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Electric Circuits
Two battery having unequal emf

 cannot be connected in parallel.
 can be connected in series only.
 both a and d
 cannot be connected in series.

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

 4 A.
 1 / 3 A.
 5 / 6 A.
 0 A.

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MORE MCQ ON Electric Circuits

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