Physics
In the process of magnetisation of a bar

Only the ends of the bar get magnetised
Only the surface of the bar gets magnetised
The entire bulk of the bar gets magnetised
Only some parts of the outer layers of the bar get magnetised

ANSWER DOWNLOAD EXAMIANS APP

Physics
Dynamo is a device for converting

Magnetic energy into electrical energy
Chemical energy into electrical energy
Heat energy into electrical energy
Mechanical energy into electrical energy

ANSWER DOWNLOAD EXAMIANS APP