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Electric Circuits

Electric Circuits
The unit of electric field intensity is

 N / Ampere.
 N / C.
 F/ m2.
 F / m.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 1
 - 1.25
 2.5
 10

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Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M.
 M / 2.
 M / L.
 2 M.

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Electric Circuits
When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is

 50 W.
 25 W.
 12.5 W.
 100 W.

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Electric Circuits
Purpose of using capacitor is / are

 all of these.
 to do phase split in AC 1 phase motor.
 increase p.f of inductive load circuit.
 effect DC filter in electronic circuit.

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Electric Circuits
The unit of resistivity is

 Ω / metre.
 Ω.
 Ω / m².
 Ω - metre.

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MORE MCQ ON Electric Circuits

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