working principal of motor
Answers
Explanation:
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when the circuit is completed as shown in the figure, the current flows in the branch AB kg the loop A to B through the carbon brushes your the Flemings the left hand rule, a force us exerted on the branch AB and kisses it down. the current in the CD branch is in a opposite direction to that in the AB branch, and therefore a force us everyday on the branch CD in upward direction. thus, the loop and the axle start rotating an anticlockwise direction. after half rotation, the two halves of the split ring X and Y come in contact with carbon brushes F and E, respectively, and the current in a loop starts flowing in the direction DCBA therefore, a force is exerted in the branch DC in downward direction and on the branch BA I'm the upward direction, the loop continues to rotate in the anticlockwise direction. thus, the current in the loop is reversed after each hf rotation and the loop and the axle continue to rotate in the anticlockwise direction.
commercial motors run on the same principal, but partical changes are made in their construction :
