Question

7 How is water pumped up
using electricity ? for 5 cbse
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Answer 1

Answer:

When there is excess electricity, water is pumped through a pipe or tunnel, to the upper reservoir. The energy is later recovered by letting the water flow back down again, through a turbine that converts it back into electricity. Efficiencies of 90% in each direction are possible.

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Explanation:

Answer 2

Answer:

When there is excess electricity,water is pumped through a pipe tunnel, to the upper reservoir. The energy is later recovered by letting the water flow back again,through a turbine that converts it back into electricity . Efficiency 90% in each direction are possible.

Explanation: Mark me as brainliest.