The circuit below contains a battery and two bulbs. Voltmeters are placed across the components of the circuit at points X, Y and Z. Which component stores energy? reading 6V V V X in which parts of the circuit is electrical energy being used? V Z reading 3V Y The battery is made up of four cells. What is the voltage of each cell?
a.What will be the reading on voltmeter Z.
b. Explain your answer Suggest what the readings on each voltmeter would be if the voltage of the battery was increased to 8V