A conductive base is provided to the gold-leaf electroscope so that

the leaves discharge before tearing if an excess charge is applied.

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the leaves discharge before tearing if negative charge is applied.

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the leaves discharge before tearing if positive charge is applied.

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All of the above

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Solution

The correct option is A the leaves discharge before tearing if an excess charge is applied.
The gold leaf electroscope has been used by physicist for hundreds of years. The prime reason for it is its durability. If a high amount of charge is applied, the leaves discharge before tearing apart, thus providing durability.

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