APFIVE Electroscope Charge Induction
The leaves of a positively charged electroscope are separated. When a person’s hand is brought near the knob of the electroscope without touching it, what is the resulting behavior of the leaves and its underlying cause?
A
No change; human body is an insulator
B
Leaves collapse completely; charge neutralized
C
Leaves move closer; induced polarization reduces field
D
Leaves spread further; hand adds positive charge
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