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 Form 2 Physics Magnetic Effect of Electric Current Questions and Answers

The figure bellow shows two parallel thick copper conductors connected to a d.c power supply. State and explain what is observed on the rider when the switch is closed.

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Answer Text:
The rider moves towards the magnet away from the power supply. The conductor experiences a force when placed in magnetic field due to interaction between the two magnetic fields. The direction of motion follows Fleming’s left hand rule.