Explain what is meant by a continuity fault in an electric circuit.

What are the two essential features of a continuity tester?

Your friend brings an electric flashlight (torch) to you because it is not working. He wants you to use your continuity tester to find the fault in the flashlight. Figure 6.4 shows a cross-section of the flash light. Which two points (labelled A to J) would you connect to the probes of your continuity tester to check if each of the following components are in working order?