Write True (T) or False (F):
Mutual inductance is maximum between two coils when the coils are placed parallel to each other.

Correct the following statement. Mutual inductance between two coils is maximum when the coils are placed normal to each other.

Fill in the blank spaces: Mutual inductances between two coils is maximum when the coils are ___________.

The current in a coil changes at the rate of 10mA/S. Calculate the mutual inductance between this coil and a neighbouring coil placed parallel to it in which an emf of 10 millivolt is induced.

Write True (T) or False (F): Emf can be induced in a closed coil when magnetic flux linkage through it changes.

State whether the following statements are True (T) or False (F): The magnitude of Coulomb force between two point charges increases when the medium air is replaced by any diectric medium.

Two infinitely long straight conductors carrying current in the same direction are placed parallel to each other. Then

State whether the following statements are True (T) or False (F): The angle of incidence in denser medium is critical when the angle of refraction in the rarrer medium is 90^@

State whether the following statements are True (T) or False (F): The Coulomb force between two point charges is a short range force.

Write True (T) or False (F): The direction of the induced current is given by Fleming's left hand rule.

State whether the following statements are True (T) or False (F): The coulomb force between two alpha - particles is four times the same between two electrons for the same distance.