WJEC GCSE Unit 1 Physics (Year 10)

Front

What is the unit of energy?

Back

Joule

Front

Which of the following is a renewable energy resource?

Back

Solar

Front

What is the correct equation for percentage efficiency?

Back

(Useful energy transferred/Total energy input) x 100

Front

What energy transfer occurs in a toaster?

Back

Electrical → Heat

Front

What is the unit of power?

Back

Watt

Front

Which formula links voltage (V), current (I), and resistance (R)?

Back

V = IR

Front

What is the unit of electric current?

Back

Ampere

Front

What happens to total resistance when resistors are added in series?

Back

Increases

Front

Which wire in a plug is connected to the fuse?

Back

Live

Front

Which of the following is a safety feature of a plug?

Back

Plastic casing, cable grip, fuse, wire insulation