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What is the flux in the pole body, given leakage coefficient = 1.2 and the useful flux per pole is 10 weber?

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What is the flux in the pole body, given leakage coefficient = 1.2 and the useful flux per pole is 10 weber?

(a) 12 weber

(b) 11.2 weber

(c) 8.2 weber

(d) 20 weber

This question was addressed to me in an interview for internship.

My question is from Pole Design in division Thermal Design Aspects of Electrical Machines & D.C of Design of Electrical Machines

1 Answer

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Best answer
Correct choice is (a) 12 weber

Easiest explanation: Flux in the pole body = leakage coefficient * useful flux per pole

Flux in the pole body = 1.2 * 10 = 12 weber.

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