Work Energy And Power Question 188
Question: From a waterfall, water is falling down at the rate of 100 kg/s on the blades of turbine. If the height of the fall is 100 m, then the power delivered to the turbine is approximately equal to [KCET 1994; BHU 1997; MP PET 2000]
Options:
A) 100 kW
B) 10 kW
C) 1 kW
D) 1000 kW
Show Answer
Answer:
Correct Answer: A
Solution:
$ P=( \frac{m}{t} )gh=100\times 10\times 100=10^{5}W=100\ kW $
