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Electrical Machines
A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be
1.2 mWb.
2.7 mWb.
1.4 mWb.
3.5 mWb.
1.2 mWb.
2.7 mWb.
1.4 mWb.
3.5 mWb.
Answer
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rectangular
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A DC generator beyond critical resistance will generate
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maximum power.
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For power factor improvement the synchronous motor is to be
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heavily loaded and underexcited
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Answer
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