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A six pole generotar with fixed field ex...

A six pole generotar with fixed field excitation developes an e.m.f. of `100 V` when operating at `1500` r.p.m. At what speed must it rotate to develop `120 V`?

A

`1200` r.p.m.

B

`1800` r.p.m.

C

`1500` r.p.m.

D

`400` r.p.m.

Text Solution

Verified by Experts

The correct Answer is:
B
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