What is a dc motor ?
Ans: A device which convert the alternating current in direct current is called
D. C motor .
what is concetruction of D.c motor.
Ans. A d. C motor is cosist of following
1- brass ring
2- split rings
3- carobon brushes
4- paramenent megnang
5- armatrure
6- Battery
What is split ring?
ans. A brass in divided into two parts which are attached to battery.
How many types of rectification are there?
Ans. there are two types of rectification
1- full rectification ;
2- Half rectification.