The headlight of a bicycle is powered by a small generator connected to the wheel of the bicycle; the generator contains two fixed coils connected in series with appropriate polarity. Each coil consists of 70 turns and has an area of 8.0 sq. cm. A small permanent magnet is mounted between the coil. Field strength varies between 0.1T and 0T. At what bicycle speed will the EMF = 6.4V?

Question

aakashsudhakar · Answer

GIVEN:

Two Coils

$$N = 70$$
$$A = 8.0 cm^2$$
$$\left| \Delta B \right|= 0.1 \tau$$
$$\xi = 6.4V$$
Find the linear velocity (bicycle speed).