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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Voc = Req /Isc.
 Voc = Isc / Req.
 Isc = Voc Req.
 Isc = Voc / Req.

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

  1.5 Ω and 3 Ω.
 6 Ω and 9 Ω.
  3 Ω and 6 Ω.
 3 Ω and 9 Ω.

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Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 5/6 Ohm
 0.75A, 5/6 Ohm
 1A, 1.5 Ohm
 0.75 A, 1.5 Ohm

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 2 msec
 1 μsec
 2 μsec
 4 msec

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Electric Circuits
The indication of the state of charge of a battery is best given by

 specific gravity of electrolyte.
 temperature of electrolyte.
 level of electrolyte.
 colour of electrolyte.

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Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 R.
 R/2.
 3R/2.
 2R/3.

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MORE MCQ ON Electric Circuits

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