SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

1/2 π
20/2π
10/2π
5/2π

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

10 to 50 W
200 to 500 W
50 to 150 W
600 to 800 W

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

0101011
0101010
1110011
1101010

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SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

Hall effect
Fringing effect
Stroboscopic effect
Hopkinson’s effect

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SSC JE Electrical 2019 with solution SET-2
If the connected light load in a house is 3000W and power sub-circuit load 6000W, then what is the total number of sub-circuits required?

1
6
4
3

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