Charge of Uniform Density 90 NC/m3 Is Distributed Throughout the Inside

question 10

Multiple Choice

Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long non-conducting 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

---

Definitions:

Variable Cost

Expenses that fluctuate in direct proportion to the amount of production or sales, including items like labor and materials.

Machine Hour

A measure of production time, where costs are attributed based on the number of hours a machine is operated.

Mixed Cost

A cost that contains both variable and fixed cost elements, changing with the level of output but also involving a constant component.

Press Setup

The preparation and adjustment of printing presses before a printing run.