Engineering Board Exam Reviewer · Physics · easy

The value of Coulomb's constant k is approximately:

1. 6.67 × 10-11 N· m2/C2
2. 8.85 × 10-12 N· m2/C2
3. 8.99 × 109 N· m2/C2
4. 1.6 × 10-19 N· m2/C2

Answer

C. 8.99 × 109 N· m2/C2

Solution

k = 1/(4π 0) with 0 = 8.85 × 10-12 C2/N· m2.

More Physics questions

1. Coulomb's law states that the force between two point charges is:
2. Which of the following electromagnetic waves has the longest wavelength?
3. The power of a lens is measured in:
4. The image formed by a plane mirror is:
5. A converging lens is also called a:
6. Total internal reflection can occur when light travels from:
7. The speed of light in a vacuum is approximately:
8. The separation of white light into its component colors by a prism is called:
9. The bending of waves around obstacles or through openings is called:
10. The bending of light as it passes from one medium to another is called:

All Physics Reviewer questions