Question

State Fleming's left-hand rule.
What is the principle of an electric motor?
What is the role of the split ring in an electric motor?​

Answer 1

Answer:

stretch thumb, forefinger, middle finger such that they should be perpendicular to eachother.(thumb shows motion of conductor , forefinger magnetic fieldand middle finger direction of electricity)

Explanation:

principal:a current carrying conductor when placed perpendicular to a magnetic field experiences a force.

split ring reverses the direction of the current in armature coil after every half rotation (commutator)

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