How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due
to the earth's magnetic field with a strength of 5.0 × 10-5 t? (μ0 = 4π
× 10-7 t · m/a)

The energy stored in a room is 0.0286 Joules.

Explanation:

Given that,

The dimensions of the room are 3 m by 4 m by 2.4 m

The strength of the Earth's magnetic field,

We need to find the energy stored in a room due to the Earth'a magnetic field. It is given by :

Here,

V is the volume of the room

So, the energy stored in a room is 0.0286 Joules. Hence, this is the required solution.

3

step-by-step explanation:

10 - 2.8 = 7.2

2 2/5 = 2.4

7.2 / 2.4 = 3