- #1
arileah
- 8
- 2
Homework Statement
Hello,
Two 10-cm-diameter charged rings face each other, 20 cm apart. The left ring is charged to -22 nC and the right ring is charged to +22 nC . What is the magnitude of the electric field E⃗ at the midpoint between the two rings?
Homework Equations
[/B]
E = Kq/r^2
K = 8.99 * 10^9
The Attempt at a Solution
Find the electric field at the midpoint caused by each individual plate, then using the principle of superposition to add them.
E(tot) = |E(1)| + |E(2)|
|E(1)| = K (22nC)/0.1^2
|E(2)| = K (22nc)/0.1^2
|E(1)| + |E(2)| = E {since E(1) and E(2) are the same}
E(tot) = E = 2 * K (22nC)/0.1^2 = 395560 N/C
However, the answer I got is wrong. I have also tried E = 0 N/C in case I was not supposed to take the magnitudes. This is also incorrect.
Could anyone lend me a hand?