Fill in the following blanks with suitable words:
(a) Fleming's Rule for the motor effect uses the ............... hand.
(b) A motor contains a kind of switch called a ............ which reverses the current every half ............ .
(a) Left
Fleming’s rule for the motor effect uses the left hand.
(b) Commutator; rotation
a motor contains a kind of switch called a commutator which reverse the current every half rotation.