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Question

In the given diagram of a DC motor, the direction of flow of electrons in the left arm is:

A
From A to B
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B
From B to C
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C
From B to A
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D
From D to C
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Solution

The correct option is C From B to A
By applying Fleming’s left hand rule, the middle finger point from B to A which is direction of current. The flow of electrons will be opposite to the flow of current. Hence, the direction of flow of electrons will be from A to B.

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