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Electric Circuits

Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel L.
 Series C.
 Series L.
 Parallel C.

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Electric Circuits
What is the SI unit of electric current ?

 Faraday.
 Ampere.
 Ohm.
None of these

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in parallel.
 two in series and third in parallel across this combination.
 all in series.
 two in parallel and third in series with this combination.

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 618 W.
 411.3 W.
 none of these.
 1236 W.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in parallel.
 all 12 in series.
 in 4 parallel rows each row having 3 cells in series.
 in 3 parallel rows each row having 4 cells in series.

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Electric Circuits
For cadium plating electrolyte used is

 cadmium hexa metaphosphate.
 sodium cyanide, cadmium and caustic soda.
 cadmium sulphate and sulphuric acid.
 any of above.

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MORE MCQ ON Electric Circuits

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