M

Mr. Dubey • 52.30K Points
Coach 

Q. If induction motor air gap power is 1.8 KW and gross developed power is .1 KW, then

(A) s
(B) s2
(C) s3
(D) s4
Correct : Option (A)

Explanation: 
 at low values of slip, the electromagnetic torque is directly proportional to slip value. due to heavy loading slip value decreases which increases the ratio of r2÷s.

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