Question

(a) State Fleming's left hand rule?

(b) Write the principle of working of an electric motor?

(c) Explain the function of the following parts of as electric motor.

(i) Armature (ii) Brushes (iii) Split ring​

Answer 1

Answer:

a) when current carrying conductor is placed in an external magnetic field,it experiences a force perpendicular to both the field and the directions of current flow .

b) principle of motor: a motor works on the principle that when a rectangular coil is placed in a magnetic field and current is passed through it. a force acts on the coil and rotate it continuously.

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