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If the phase sequence of supply currents are reversed, then the direction of rotation of the resultant MMF wave will ___________

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If the phase sequence of supply currents are reversed, then the direction of rotation of the resultant MMF wave will ___________

(a) Be reversed

(b) Remains unchanged

(c) Cannot be determined

(d) None of the mentioned

The question was posed to me in unit test.

Asked question is from Rotating Magnetic Field in portion Basic Concepts in Rotating Machines of Electrical Machines

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The correct answer is (a) Be reversed

Easy explanation: A reversal of the phase sequence of supply currents will reverse the direction of rotation of the resultant MMF wave.

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