When two very small spheres, one made of glass and the other of rubber, were rubbed against each other, 3 × 10^12 electrons were transferred from one sphere to the other.
a.) Which of the spheres gained electrons?
b.) What is the charge acquired by each sphere?
a.) Which of the spheres gained electrons?
b.) What is the charge acquired by each sphere?
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Answer:
The glass sphere will be positively charged and the rubber sphere will be negatively charged.
The glass sphere will have a charge Q = 3*10¹²*1.6*10⁻¹⁹ = 4.8*10⁻⁷ C = 0.48 μC
The rubber sphere will have a charge Q = -4.8*10⁻⁷ C = -0.48 μC
You can read more about the triboelectric effect responsible for the charge transfer between two different materials rubbed against each other at
glass one as rubber is a poor conductur and glass is rememberd of static energy
Explanation:
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