Question

write definition of slip ring ,brushes , galvanometer , permanent magnet,rectangular coil​

Answer 1

Answer:

Slip ring : a ring in a dynamo or electric motor which is attached to and rotates with the shaft, passing an electric current to a circuit via a fixed brush pressing against it.

brushes :

Galvanometer : an instrument for detecting and measuring small electric currents.

Permanent magnet : a magnet that retains its magnetic properties in the absence of an inducing field or current.