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Electric Circuits

Electric Circuits
Atoms with fewer than 4 valence electrons are

 none of these.
 conductor.
 semi-conductor.
 insulator.

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

 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm
 0.75V, 5/6 Ohm
 1.5V, 5/6 Ohm

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Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 V/R.
 0.
 (V*L) / (R*C)
 V / {R + (sL + 1 / Cs)}.

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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

 2.54 A.
 1.27 A.
 10.16 A.
 5.08 A.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Voltage source.
 Both of above.
 Current source.
 Resistance.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 zero, zero
 zero, infinite
 infinite, infinite
 infinite, zero

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MORE MCQ ON Electric Circuits

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