Mention any two ways by which water can be used to produce hydroelectricity.
(N/A) The two ways by which water can be used to produce hydroelectricity are:
$(i)$ Using the potential energy of water stored at a height in dams,which is released to fall on turbines.
$(ii)$ Using the kinetic energy of ocean tides (the rise and fall of sea water) to rotate turbines for electricity generation.
$(i)$ Using the potential energy of water stored at a height in dams,which is released to fall on turbines.
$(ii)$ Using the kinetic energy of ocean tides (the rise and fall of sea water) to rotate turbines for electricity generation.
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