[单选题]
The flux through a cof2(ndil)aku4*yzj 3 fu 6io: fil changeswbqw (r:);go06e uc*yierptd fq e;+8 from $4.0 \times 10^{-5} \; Wb$ to $5.0 \times 10^{-5} \; Wb$ in 0.10 s. What $emf$ is induced in this coil?
A. $5.0 \times 10^{-4} \; V$
B. $4.0 \times 10^{-4} \; V$
C. $1.0 \times 10^{-4} \; V$
D. none of the given answers
