At a hydroelectric power plant the water pressure head is at a height of 300 m and the…
Physics · Class 12 · CBSE — Current Electricity
At a hydroelectric power plant the water pressure head is at a height of 300 m and the water flow available is 100 m3 s–1. If the turbine generator efficiency is 60%, then the electric power available from the plant is
(Take g = 10 m s–2, ρ = 103 kg m–3)
(Take g = 10 m s–2, ρ = 103 kg m–3)
- 1.8 MW
- 18 MW
- 180 MW
- 1800 MW
Answer
(C) 180 MW
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The figure shows the voltage (V) versus the current (I) graphs for a wire at two temperatures T _1 and T _2 …
- The masses of two cylindrical wires of copper are in the ratio of 1 : 3 and their lengths are in the ratio of…
- Which of the following shows correct range of conductivity? (i) Conductors : 10 4 to 10 7 ohm –1 m –1 (ii)…
- In a uniform straight wire, conduction electrons move along +x direction. Let E and j be the electric field…
- An electric kettle boils some water in 16 min. Due to some defect, it becomes necessary to remove 10% turns…
- A uniform wire of 16 resistance is bent round in the form of a circle. When connected in a circuit between…
- In a current-carrying conductor, the ratio of the electric field and the current density at a point is called:
- A current of 2 A flows through a 2 resistor when connected across a battery. The same battery supplies a…
More Current Electricity questions · Browse all practice questions