An 3 phase alternator star connected 400 V synchronous motor takes a power input of 5472 watts at rated voltage. Its syn

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answerhappygod
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An 3 phase alternator star connected 400 V synchronous motor takes a power input of 5472 watts at rated voltage. Its syn

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a) cos(10°)
b) cos(20°)
c) cos(40°)
d) cos(30°)
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