Author Question: Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting ... (Read 181 times)

c0205847 · **on:** Jul 28, 2018

Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 2.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis).
a. 1.9 V
b. 1.4 V
c. 2.2 V
d. 2.8 V
e. 4.0 V

Question 2

Charge of uniform density 50 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 5.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis).
a. 2.7 V
b. 2.0 V
c. 2.4 V
d. 1.7 V
e. 3.4 V