Magnetism and electricity | unit 1 - lesson 4

1
A structure made of a copper wire twisted around a wrought iron bar and the wire is connected to a battery.
2
A device used to detect the magnetic effect of the electric current.
3
It converts the mechanical (kinetic) energy into electric energy.
4
A huge instrument contains electromagnet and is used to lift scrap cars.
5
Dynamo changes the.........
6
The huge electric generator is used to..........
7
The coil of a dynamo is made up of........ Wire
8
........... discovers that "by moving a magnet in a coil, electric energy is generated".
9
........... consists of a copper coil and a magnet.
10
Electromagnet changes the.........