APFIVE Effect of Permittivity on Electric Force
Two identical point charges are separated by a distance r in a medium with a permittivity of ε. If the medium is replaced by a new medium with a permittivity of 4ε, how does the electric force between the charges change?
A
It decreases to 1/2 of its original value
B
It increases to 4 times its original value
C
It remains unchanged
D
It decreases to 1/4 of its original value
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | kshiva2009m | 1 | 1 | 0m 04s | 96 |
| #2 | kuzeysah | 1 | 1 | 0m 06s | 94 |
| #3 | logan.dh.kim | 1 | 1 | 0m 10s | 90 |
| #4 | seoyeojun69 | 1 | 1 | 0m 37s | 63 |
| #5 | kaysenwiening | 0 | 1 | 0m 08s | -18 |
Items per page:
10
1 – 5 of 5