Physics 5054 · O Level · Energy

Energy — practice question

Electricity can be produced from different energy sources.
(a(i))[1]

Nuclear energy is classed as a non-renewable source. Explain what is meant by a non-renewable energy source.

(a(ii))[3]

The four energy sources used are hydroelectric, oil, geothermal, wind. Write each of these energy sources in the correct column of the table.

(a(iii))[1]

State one way in which using nuclear energy is better for the environment than using oil.

(a(iv))[1]

State one way in which using nuclear energy is worse for the environment than using oil.

(b(i))[1]

Write the name of the missing part of the power station in the empty box on Fig. 9.1.

(b(ii))[1]

State the form of energy that the turbine possesses.

(b(iii).1)[1]

Calculate the mass of water in the boiler.

(b(iii).2)[4]

Calculate the total thermal energy (heat) supplied to the boiler.

(b(iv))[2]

The electrical energy output from the power station is sent over long distances at a high voltage. Explain why electricity is transmitted at a high voltage.

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