In (Fig. Below), the
lx /8r.cvs: 6iaz(zesrod moves with a speed of 1.6m/s is 30.0 cm long, and has a res
( z 6xr.elcv/:8sz siaistance of $\mathrm{2.5~Ω}$ The magnetic field is 0.35 T, and the resistance of the U-shaped conductor is $\mathrm{25.0~Ω}$ at a given instant. Calculate
(a) the induced emf, $\varepsilon$ $\approx$
V(retain two decimal places)
(b) the current in the U-shaped conductor, $I\approx$
$ \times10^{-3 }\;A$ (retain one decimal places)
(c) the external force needed to keep the rod’s velocity constant at that instant. $F\approx$
$ \times10^{- 4}\;N$ (retain one decimal places)