A charged sphere with a mass of 4.60g is hanging from a string
attached to the ceiling. When surrounded by two parallel
plates(shown above), the charge makes an angle of =
14.7 from
the vertical. The parallel plates are separated by 18.5 cm and have
a potential difference of V= 6.75
mV. Determine the charge of the sphere.
+ + + b + ΔV
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