A uniform magnetic field of 0.20 x 10-3T exists in the space. Find the change in the magnetic scalar potential as one moves through 50cm along the field.
B = –dV/dl => dv = –B dℓ = – 0.2 × 10–3 × 0.5 = – 0.1 × 10–3T-m
Since the sigh is –ve therefore potential decreases.
