State Tangent Law in magnetism.

Name any one instrument which works on the principle of Tangent law in magnetism.

(a) State Gauss's law for magnetism. Explain its significance. (b) Write the four important properties of the magnetic field lines due to a bar magnet.

State Lenz's law.

State the Law of Malus.

State Boyle.s Law.

State Henry's law.

State Henry's law and mention some important applications ?

Biot Savart law of magnetism is analogous to:

State Charles.s law

State Dalton's law.