An electric motor runs on DC source of emf 200 V and draws a current of 10 A.

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An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the efficiency be 40%, then the resistance of armature is

Options

(a) 2Ω
(b) 8Ω
(c) 12Ω
(d) 16Ω

Correct Answer:

12Ω

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Alternating Current (96)
Subject: Physics (2479)

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