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


Answer: D

Physics & Space Science

You might also like to view...

An electron has a velocity of 6.0 × 10^6 m/s in the positive x direction at a point where the magnetic field has the components Bx = 3.0 T, By = 1.5 T, and Bz = 2.0 T. What is the magnitude of the acceleration of the electron at this point?

a. 2.1 × 10^18 m/s2 b. 1.6 × 10^18 m/s2 c. 2.6 × 10^18 m/s2 d. 3.2 × 10^18 m/s2 e. 3.7 × 10^18 m/s2

Physics & Space Science

A monochromatic (single frequency, single wavelength) light ray in air (n = 1) enters a glass prism (n = 1.5). In the glass prism

A. both the frequency and the wavelength are the same as in air B. the frequency is the same, but the wavelength is greater than in air. C. the frequency is the same, but the wavelength is smaller than in air. D. the wavelength is the same, but the frequency is greater than in air. E. the wavelength is the same, but the frequency is smaller than in air.

Physics & Space Science

Using only pencil and paper calculations, Arrhenius concluded that a doubling of the carbon dioxide concentration would raise global temperatures by about _____.

A. 1° C B. 2° C C. 5° C D. 15° C

Physics & Space Science

What was Neptune's Great Dark Spot?

What will be an ideal response?

Physics & Space Science