Answers

2015-02-21T11:17:54+05:30
An electroscope is a device, which is used to detect the presence of charge in a body and also to identify the nature of charge that the given body posses.
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2015-02-21T11:27:02+05:30
It's a scientific instrument used to detect the magnitude and presence of charge in a body
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for measuring electricity
4 electrical charge
ya
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