A uniform electric field of magnitude 5.5 N/C passes through a circle of radius 15 cm. Part A: What is the electric flux through the circle when its face is perpendicular to the field lines?
a) 0.05775 Nm²/C
b) 0.077 Nm²/C
c) 0.12375 Nm²/C
d) 0.198 Nm²/C