The elementary charge unit is the charge of a single proton or electron, which is approximately 1.6 x 10^-19 C.
Sphere B has a charge of +3µC, which is equivalent to 3 x 10^-6 C.
To find how many elementary charges this is equivalent to, we divide the charge on sphere B by the elementary charge unit:
(3 x 10^-6 C) / (1.6 x 10^-19 C) ≈ 1.875 x 10^13 e
Therefore, the charge on sphere B is approximately 1.875 x 10^13 elementary charges.
Two identical metallic spheres, labeled A and B, carry excess charges of +1µC (sphere A) and +3µC (sphere b).
What is the charge on sphere B in e, the elementary charge unit? Assume that they have not touched and that the charge has not redistributed.
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1 answer