Question

someone there....plse help me... ​

Answer 1

please open your ncert only one time .....

it will clear everything

Answer 2

Flemings left hand rule states that when the the thumb,index finger and middle are stretched mutually perpendicularly to each other,the index finger points toward magnetic field,middle finger in direction of current then thumb will point towards the direction of force applied on the conductor


Principle
Electric motor works on principle of magnetic effects of electric current when placed in a magnetic field

Function
-armature- it rotates when electric current passed through. Connecting an axle helps converting electrical energy into mechanical energy

-Brushes-they help in maintaining contact between armature and circuit

-split rings- they help in changing direction of current after half revolution


Hope this helps you
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