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Electricity and Magnetism — PHYSICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9PHYSICSElectricity and Magnetism1 Mark
Question
What is meant by the earthing of an electroscope?
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Answer

Earthing of an electroscope is meant to take the thick copper strip inside the earth so that charges induced from thunderstorms on the metal spikes can move to earth to safeguard buildings from thunderstorms.

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