In the formula V =E ^b d ^a, if V, E and d are the velocity longitudinal waves, bulk modulus of elasticity and density of the gaseous medium respectively, then calculate the values of a and b

and

Explanation:

The velocity longitudinal waves depends on the bulk modulus and the density. It is given by the formula:

Where V is the velocity , β is the bulk modulus and ρ is the density.

Therefore comparing with , where V, E and d are the velocity longitudinal waves, bulk modulus of elasticity and density, the values of b and a can be gotten.

Therefore, and

iron would move it is magnetic there is a mag field around the current in the wire

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