FIGURE 23-4 -A Rectangular Coil with N Turns, Length L, and Width

Multiple Choice

FIGURE 23-4
-A rectangular coil with N turns, length L, and width w, as shown in Figure 23-4, is rotating in a magnetic field B with an angular frequency ω. If the area of the coil is A, what is the induced emf in the coil?

A) ε = NB (Lw) ω sin ωt
B) ε = NBA ω sin ωt
C) ε = NBA (2πf) sin 2πft
D) All of these answers are correct.
E) None of these answers is correct.