A. name and state the rule to determine the direction of force exprencied by a current carrying straight conductor placed in a magnetic field which is perpendicular to it.
B. What is the role of split rings in an electric motor
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Answer:
A. Fleming's Left hand rule
Explanation:
we arrange the thumb, the center finger, and the forefinger of the left hand at right angles to each other, then the thumb points towards the direction of the magnetic force, the center finger gives the direction of current and the forefinger points in the direction of a magnetic field.
B. split rings act as a commutator and their function is to reversal of current.
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