Physics
The method of magnetisation is:

Hammering a magnet
Heating a magnet
Passing alternating current through it
Passing direct current through it

ANSWER DOWNLOAD EXAMIANS APP

Physics
Isotopes of an element contain

equal number of nucleons
the same number of neutrons but different number of protons
the same number of protons but different number of neutrons
equal number of protons and electrons

ANSWER DOWNLOAD EXAMIANS APP