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Electric Circuits

Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.5 A.
 0.637 A.
 1 A.
 0.318 A.

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Electric Circuits
Time constant of RC series circuit is

 RC
 L/R
 2RC
 2L/R

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Electric Circuits
Bulb in street lighting are connected in

 parallel.
 end of end.
 series parallel.
 series.

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Electric Circuits
The charge of an electron is

 - 1.675 × 10 - 27 Coulombs.
 - 1.672 × 10 - 27 Coulombs.
 - 1.602 × 10 - 19 Coulombs.
 - 9.109 × 10 - 31 Coulombs.

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Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 iL(0) = ic (0).
 None of these.
 i(0+)= iL(0+).

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Electric Circuits
Which cell has the reversible chemical reaction?

 Mercury oxide.
 Carbon Zinc.
 Silver oxide.
 Lead acid.

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MORE MCQ ON Electric Circuits

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