Share
The separation between two magnets is reduced by a factor of 5. How does the force between them change? Question 18 options:
Question
The separation between two magnets is reduced by a factor of 5. How does the force between them change?
Question 18 options:
increases by a factor of 5
increases by a factor of 25
decreases by a factor of 5
decreases by a factor of 25
doesn’t change
in progress
0
Physics
6 months
2021-07-17T12:21:55+00:00
2021-07-17T12:21:55+00:00 1 Answers
4 views
0
Answers ( )
Answer:Increase by a factor of 25
Explanation:
We know that magnetic force is proportional to
where r is the distance between them
Thus
Where
=magnetic field
If distance is reduced by a factor of
then force must increase by a factor of
because
so