Question
Explain the Construction and working of gold leaf electroscope.

Answer

►A gold leaf electroscope is shown in figure.
►Its a simple apparatus to detect charge on a body [Fig. (a)].
►It consists of a vertical metal rod housed in a box, with two thin gold leaves attached to its bottom end.
►When a charged object touches the metal knob at the top of the rod, charge flows on to the leaves and they diverge.
►The degree of divergance is an indicator of the amount of charge.
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