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

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SSC JE Electrical 2019 with solution SET-2
Four types of power plants have been given out of which three are alike in some manner and one is different. Select the odd one?

Solar power plant
Nuclear power plant
Thermal power plant
Hydro-electric power plant

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SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Iron
Glass
Nichrome
Silver

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