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Electric Circuits

Electric Circuits
What would be the power given by source V2?

 - 5 W.
 10 W.
 0 W.
 5 W.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Air gap.
 Coil.
 Inductance.
 Core.

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Electric Circuits
To reduce hysteresis loss, we use

 CRGO steel.
 soft-iron.
 laminated sheets.
 copper bars.

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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 current in R is

 10.16 A.
 5.08 A.
 1.27 A.
 2.54 A.

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Electric Circuits
Nodal analysis can be applied for

 non planar networks.
 both planar and non planar networks.
 neither planar and non planar networks.
 planar networks.

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Electric Circuits
A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

 None of them.
 36.6 pF.
 30 pF.
 32 pF.

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MORE MCQ ON Electric Circuits

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