History of the first Leyden jars.

Answer the questions, based on the internet.

1. What did the ancient Greeks know about rubbing pieces of amber?

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2. What is the triboelectric effect,?

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3. What is another name gine to the triboelectric effect,?

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4. According to what does the polarity and strength of the charges produced differ?

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5. What is a dielectric?

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6. Who buit a crude friction generator around 1650?

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7. What did it consist of?

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8. Who found a method of storing large amounts of electric charge and in what year?

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9. How was it done?

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10. Why did the Kleistian jar go on to be known as the Leyden jar?

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11. What does the word “endurance” mean in terms of electricity or electronics?

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12. What is it’s formula?

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