Physics
Kirchoff's Voltage Law is known as

Conservation Energy
None of these
Conservation of Charge
Both

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Physics
Hydro-electric power is a:

A mixture of renewable and non-renewable natural resource
Neither renewable nor non renewable resource
non-renewable natural resource
Renewable natural resource

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Physics
Lightning is produced when

Similar charges of electricity rush towards each other and then get repelled
Water vapour produces electricity in the clouds
Strong opposite charges in different clouds break down the resistance offered by the intervening air
Clouds strike against impurities in air and the friction burns up these impurities

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