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Electric Circuits

Electric Circuits
Active materials of a lead acid cell are

 all of above.
 dilute H2SO4.
 lead peroxide.
 spongy lead.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (4 + j3) pu
 (2 + j4) pu
 (4 + j2 ) pu
 (3 + j4) pu

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Electric Circuits
Unit step function is first derivative of

 gate function.
 impulse function.
 parabolic function.
 ramp function.

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Electric Circuits
An electric field can deflect

 neutrons.
 x-rays.
 alpha particles.
 gamma-rays.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 + ω2
 ω1 - ω2
 ω1 / ω2
 √(ω1² + ω2²)

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 1.92.
 2.36.
 4.71.
 5.77.

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MORE MCQ ON Electric Circuits

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