HARD
10th Maharashtra Board
IMPORTANT
Earn 100

Explain with diagram step-by-step energy conversion in

Hydroelectric power plant

Important Questions on Towards Green Energy

MEDIUM
10th Maharashtra Board
IMPORTANT

Give scientific reason: The construction of the turbine is different for different types of power plants.

MEDIUM
10th Maharashtra Board
IMPORTANT

Give scientific reason: It is absolutely necessary to control the fission reaction in nuclear power plants.

EASY
10th Maharashtra Board
IMPORTANT

Give scientific reason: Hydroelectric energy, solar energy and wind energy are called renewable energies.

HARD
10th Maharashtra Board
IMPORTANT

Give scientific reasons:

It is possible to produce energy from mW to MW using solar photovoltaic cells.

EASY
10th Maharashtra Board
IMPORTANT

Give your opinion about whether hydroelectric plants are environment friendly or not?


MEDIUM
10th Maharashtra Board
IMPORTANT

Draw a neat and labelled diagram.

Energy transformation in solar thermal electric energy generation.

HARD
10th Maharashtra Board
IMPORTANT

Draw a neat and labelled diagram.

One solar panel produces a potential difference of 18V and current of 3A. Describe how you can obtain a potential difference of 72 Volts and a current of 9 A with a solar array using solar panels. You can use a sign of a battery for a solar panel.

MEDIUM
10th Maharashtra Board
IMPORTANT

Write a short note on:

Electrical energy generation and the environment.