SSC JE Electrical 2019 with solution SET-2
If the number of poles in an 11 KV transmission line is 80, then how many disc insulators are required?

240
6
80
160

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

0101011
0101010
1101010
1110011

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SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/4r)*(At/m)
(1/r)*(At/m)
(1/r)*(At/Wb)
(1/2r)*(At/m)

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SSC JE Electrical 2019 with solution SET-2
For indoor lighting the range of space : height is

3 :4
5 : 6
1 : 2
2 : 3

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SSC JE Electrical 2019 with solution SET-2
______braking is used where the load on the motor has very high inertia (e.g. in electric trains)?

Regenerative
Rheostatic
Coasting
Plugging

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