Which of the following would you use to join X and Y in the circuit below so that the bulb lights up?
A An aluminium rod
B A plastic spoon
C A woollen string
D An eraser
answer is a because an aluminium rod conducts electricity well
Which of the following would you use to join X and Y in the circuit below so that the bulb lights up?
A An aluminium rod
B A plastic spoon
C A woollen string
D An eraser