Essential Energy

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Which of the following is a fossil fuel?

Petrol

Sun

Coal

Tree

What should I add to a simple circuit to make my light bulb glow dimmer (less)?

less wires

more batteries

more wires

What do most power stations in Australia use to generate energy?

Coal

Transformer

Electricity

Wood

What type of energy does a wind turbine use to create electricity?

Solar

Gravitational

Movement

Nuclear

Which of the following is not a priority for the future creation of energy?

Affordable in price

Non-renewable

Environmentally friendly

Renewable

What of the following do hydroelectric power stations need to work?
1) turbine 2) sun 3) slow moving water d) coal

1 and 3

1, 2 and 4

2 and 4

Which source/s of energy is/are described by transforming chemical energy into electrical energy?
1) coal 2) solar 3) battery 4) substation

2 and 4

1 and 3

What is the reason electrical energy goes through a transformer drum?

To help it travel along the power poles

To ensure that it is clean energy

To ensure that the voltage is right

To ensure its quality based on the sound from the drum

What is the name of the process where energy is moved?

Force

Transform

Transfer

High voltage transmission

10.

My circuit is not working. What should I check?

1) the circuit is open 2) the circuit is closed 3) the batteries are going in the same direction 4) the batteries are going in opposite directions

1 and 4

2 and 3

2 and 4

1 and 3

11.

The bulb has blown in a circuit. Why could this be?

wires are transferring too much voltage to the battery

voltage from the battery is too large for the bulb to take

bulb is old and cannot work anymore

all of the above

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