MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the velocity of an electron when its kinetic energy is equal to one electron volt (in 105m/s). |
| A. | Given charge of an electron e = 1.6 x 10-19 and mass of an electron m = 9.1 x 10-31. |
| B. | a)3.9 |
| C. | b)4.9 |
| D. | c)5.9 |
| E. | d)6.9 |
| Answer» D. c)5.9 | |
| 2. |
Find the mean free path of an electron travelling at a speed of 18m/s in 2 seconds. |
| A. | a)9 |
| B. | b)36 |
| C. | c)0.11 |
| D. | d)4.5 |
| Answer» C. c)0.11 | |