A negatively charged rod is brought near an electroscope without touching it. The leaves are initially...
A negatively charged rod is brought near an electroscope without touching it. The leaves are initially separated, and as the rod is brought closer, the leaves move further apart. What is the charge on the electroscope?
Homework Answers
Since the negatively charged rod does not touches the microscope , the net charge on the microscope is zero.
Explanation:
as the negatively charged rob brought very close to the microscope then the free electron in the microscope knob repelled by the rod enter through into the leaves through stem.
as the two leaves have the same excess of negative charge so that they repell each other.
the know becomes postive charge
the net charge on the microscope = the excees charge on the knob + the excess chargeon the leaves = 0
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