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Commutator performs rectification so that output of the machine is bi-directional.

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Commutator performs rectification so that output of the machine is bi-directional.

(a) True

(b) False

I had been asked this question in a national level competition.

This intriguing question originated from Brushes and Commutator Assembly topic in section DC Machines of DC Machines

1 Answer

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Correct choice is (b) False

Easy explanation: Commutator and brush assembly of the DC machine performs the mechanical rectification process so induced AC is converted into DC (Unidirectional). Commutation process provides full wave rectification.

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