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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
A branch of a network is said to be passive when it contains

 current source.
 voltmeter.
 voltage source.
 battery.

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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 voltage drop across R is

  50.8 V.
  30.6 V.
 40.8 V.
 24.4 V .

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Electric Circuits
Time constant of RL series circuit is

 RC
 2RC
 L/R
 2L/R

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 two in series and third in parallel across this combination.
 all in parallel.
 all in series.
 two in parallel and third in series with this combination.

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M / L.
 2 M.
 M / 2.
 M.

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MORE MCQ ON Electric Circuits

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