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?

6
240
80
160

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SSC JE Electrical 2019 with solution SET-2
The type of insulator used on lines up to 33 kV is?
Pin insulatorReel insulator
Post insulator
Strain insulator
Choose the correct options

C, D
B, C
B, D
A, D

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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

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

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

Incandescent lamps
LED lamps
Fluorescent lamps
Sodium vapor lamps

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SSC JE Electrical 2019 with solution SET-2
Form Factor × Peak Factor =?

Maximum Value/RMS Value
Average Value Maximum Value
RMS Value/Average Value
Maximum Value/Average Value

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