Hooke's law is true when _____.

Fill in the blank spaces with appropriate answers: Coulomb's law is ot valid when the charged bodies are ________.

Hess's law is used in the determination of:

Henry’s law is related to –

The Coulomb's law holds good when distance (r ) between the two point changes is

The equation representing Kirchhoff's law is _____.

Boyle's law is applicable in :

Write hooke's law for elasticity.