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

8
1
2
4

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

1101010
0101011
0101010
1110011

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP