State the principle of an electric motor and write the role of split rings in it. Write the energy transformations that takes place when an electric motor works.
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1)When a coil which is carrying current is placed between two magnets it experiences a force.
2)The role of the split rings is to hold and complete the circuit.
3)Electric to mechanical energy
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Answer:
when a current carrying conductor is placed between a magnetic feild it experiences a equal and opposite force which helps motor to move
split ring help to reverse the direction of current
it changes electrical energy into mechanical energy
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