SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

LED lamps
Incandescent lamps
Fluorescent lamps
Sodium vapor lamps

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

0101010
1110011
1101010
0101011

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SSC JE Electrical 2019 with solution SET-2
Observe the figure and find the correct relation from the four given options?

i1 + i2 + i3 = i4 + i5 + i6
i1 + i2 + i6 = i4 + i5 + i3
i4 + i2 + i3 = i1 + i5 + i6
i1 + i2 + i4 = i3 + i5 + i6

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SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

The product of current and number of turns enclosed by that path
The product of flux and number of turns enclosed by that path
Magnetic flux density
Reluctance

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