A wire of length 25 cm is moved at a speed of through a magnetic field of strength…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A wire of length 25 cm is moved at a speed of

1.5 \text{ ms}^{-1}

through a magnetic field of strength 0.3 T at an angle

\theta

to the field lines. The emf generated across the ends of the wire is 97 mV. Determine the angle,

\theta