Which of the following are NOT the functions of the commutator in a D.C motor?

Only (i) and (ii)

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Only (ii) and (iii)

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Only (i) and (iii)

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(i), (ii) and (iii)

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Solution

The correct option is B Only (ii) and (iii)
Function of a Commutator is to reverse the direction of current in the coil. It is not responsible for connection of coil with the carbon brushes

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Which of the following are NOT the functions of the commutator in a D.C motor?

The correct option is B Only (ii) and (iii)Function of a Commutator is to reverse the direction of current in the coil. It is not responsible for connection of coil with the carbon brushes

The correct option is B Only (ii) and (iii)
Function of a Commutator is to reverse the direction of current in the coil. It is not responsible for connection of coil with the carbon brushes