The Student Room Group
because of the free electrons crashing into each other
Reply 2
lovcullen

IS IT BECAUSE OF friction ???


Yeah.
Reply 3
right thx :P
Reply 4
It's because of friction between the moving parts of the motor combined with the electrical resistance of the wire.
Reply 5
Vinculum
It's because of friction between the moving parts of the motor combined with the electrical resistance of the wire.

thanks~ : )

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