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GYANENDU SHEIKHAR TRIPATHI

· started a discussion

· 1 Months ago

incorrect answer (Question: 380045.0 )

given answer is incorrect

Question:

Reluctance torque in rotating machines is present when ____.

Options:
A)

air¬gap is not uniform

B)

reluctance seen by rotor m.m.f. is constant

C)

reluctance seen by rotor m.m.f. varies

D)

None of these.

Solution:

Ans: (a)

Reluctance torque is produced when reluctance varies as seen by the rotor.

GYANENDU SHEIKHAR TRIPATHI

· commented

· 1 Months ago

the explanation is correct but option is incorrect it should be c

Rajesh

· commented

· 1 Months ago

ok,expalain the problem,how to wrong
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