Question

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Answer 1

Answer:

1. voltameter is the instrument used for measuring electric potential difference between two points in a electric current.
2. glucose and solutions of non polar gases( hydrogen).
3. commercial applications and to prevent corrosion.
4. the electroscope is used to detect pressure of electric charge on a body.
5. a metal rod fixed to an exposed part of the building to divert lighting harmlessly into the ground.
6. heavy rain is also a causes of earthquakes.