alleryWhat is the role of the turbine in most electric power generating stations?
ATo rotate the magnet in the generator
BTo purify the cooling water supply
CTo store the generated electricity
DTo convert AC power into DC power
Answer & Solution
Correct answer: A. To rotate the magnet in the generator
1. A flow of liquid or gas strikes the turbine blades and makes them rotate due to the kinetic energy of the flow.
2. The turbine is connected to the generator, so it rotates the magnet inside it.
3. This rotation produces electricity by induction, so the turbine's job is to rotate the generator's magnet.
4. Storing electricity (option C) is done by batteries, not turbines, ruling that out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 5 "Towards Green Energy", p.57_
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