SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Air-break switch
Circuit breaker
Rewireable fuse
Isolator

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SSC JE Electrical 2019 with solution SET-1
A three-phase induction machine, when it is operating like a motor, the range of slip is given by

0 ≤ s ≤ 1
0 > s > −1
−1 > s > −2
1 < a < 2

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