Select the statement(s) that is/are true about hydro energy.

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Conversion of hydro energy into electricity is done by dams which heat the water and with the help of a water steam turbine is rotated, and electricity is produced by the generator.

The limitation of hydro energy is that all river sites are not suitable for the construction of dams.

Hydro energy causes no damage to the ecosystem.

All of the above

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

The statement that is true on hydro energy is that the limitations of hydro energy are that all river sites are not suitable for the construction of dams.
Conversion of hydro energy into electricity is done by dams which obstruct the flow of water to collect it at a suitable height. The stored water has a lot of potential energy. The water from a suitable height is allowed to fall on the blades of the turbine located at the bottom of a dam through a pipe. The kinetic energy of the flowing water rotates the turbine rapidly. The rotation of the turbine helps the armature coil of the generator to rotate rapidly in the magnetic field. Thus, hydroelectricity is generated.
Limitations: All river sites are not suitable for the construction of dams. Large ecosystems are destroyed when submerged under the water in the dam.

Watch 3-min video & get full concept clarity