3)
-Diamagnetic material
-Paramagnetic material
-Ferromagnetic material

No4)
Intrinsic Semiconductor: This is a semiconductor in extremely pure form. An intrinsic Semiconductor does not here any impurity in it, it is in pure form. Intrinsic is semiconductor is also called a pure semiconductor because it does not contain dropping agents. eg of intrinsic semiconductor is silicon, and germanium crystals.

2 )
i ) quantity of charge
ii) nature of element
iii ) Time

Physics obj

1D 2A 3B 4B 5A 6D 8A 9D 10B 11A 12B 13B 14C 15D 16A 17B

18D 19C 20C 21B 22B 23A 24A 25C 26C 28C 29A 30A 31C 32C 33B

34B 36C 37B 38A 39D 40A 41B 42D 43C 44D 45D

46A 47D 48B 49D 50C