Author Question: A solid conducting sphere of 10 cm radius has a net charge of 40 nC. If the potential at infinity is ... (Read 120 times)

Marty · **on:** Jul 28, 2018

A solid conducting sphere of 10 cm radius has a net charge of 40 nC. If the potential at infinity is taken as zero, what is the potential at the center of the sphere?
a. 360 mV
c. >3.6 104 V
b. 3.6 103 V
d. 36 mV

Question 2

Consider a point on a bicycle wheel as the wheel makes exactly four complete revolutions about a fixed axis. Compare the linear and angular displacements of the point.
a. Both are zero.
c. Only the linear displacement is zero.
b. Only the angular displacement is zero.
d. Neither is zero.