Author Question: An infinitely long cylinder of radius R = 2 cm carries a uniform charge density = 18 C/ m3. ... (Read 408 times)

Diane · **on:** Jul 29, 2018

An infinitely long cylinder of radius R = 2 cm carries a uniform charge density = 18 C/ m3. Calculate the electric field at distance r = 1 cm from the axis of the cylinder.

A)

2.5 103 N/C
B)

5.1 103 N/C
C)

0
D)

2.0 103 N/C
E)

10.2 103 N/C

Question 2

In a nuclear plant, 1017 J of energy is available from mass conversion. How much mass was lost?

A)

0.1 kg
B)

1 kg
C)

10 kg
D)

100 kg
E)

1000 kg