SSC JE Electrical 2019 with solution SET-2
Four relations have been given. Select the correct relation?

MMF = Flux/Permeance
MMF = Flux/Reluctance
Flux = MMF/Permeance.
MMF = Flux/Reluctance

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SSC JE Electrical 2019 with solution SET-2
IL = Load Current, then the relation between these currents for a DC series generator is

IL ÷ Ise ÷ Ia
IL = Ise = Ia
IL = Ise + Ia
IL ÷ Ise = Ia

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

Sodium vapor lamps
Fluorescent lamps
Incandescent lamps
LED lamps

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

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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
Nichrome
Silver
Glass

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SSC JE Electrical 2019 with solution SET-2
Observe the given figure. The maximum power to the load resistor is when Ri is  =?

Ri/2
2Ri
RL
4Ri

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