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Electric Circuits

Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s2.
 s2.
 1/s.
 s.

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 38 mH.
 35 mH.
 30 mH.
 34 mH.

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 10A
 5A
 2A
 0A

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 50 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.
 40 Ω and 200 Ω.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 electron current.
 polarization current.
 proton current.
 ionization current.

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Electric Circuits
The form factor of sinusoidal alternating current is

 0.
 1.11.
 1.
 1.15.

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MORE MCQ ON Electric Circuits

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