SSC JE Electrical 2019 with solution SET-2
The number of brushes required for a 4 pole, lap wound DC machine is

8
1
4
2

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SSC JE Electrical 2019 with solution SET-2
In the salient pole of the phase synchronous machine, the rotor will have

Larger diameter, shorter axial length
Larger diameter, larger axial length
Smaller diameter, smaller axial length
Smaller diameter, larger axial length

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SSC JE Electrical 2019 with solution SET-2
Four relations are given below. Identify the correct relation regarding a transistor?

IE > IC < IB
IE ÷ IC = IB
IE > IC > IB
IE < IC > IB

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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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