iGCSE Physics (0625) 4.3.3 Action and use of cicuit components Paper 3 -Exam Style Questions- New Syllabus

Question

Fig. 4.1 shows an electric circuit.

An electric current transfers energy from the battery to the filament lamp.

a) State the two forms of energy emitted by the filament lamp.
1. ……………………………………………………………………………………………………………………………..
2. ……………………………………………………………………………………………………………………………..

b) State which form of energy in the battery is decreasing.

c) Explain how the principle of conservation of energy applies to this circuit.