A) An aluminium rod
B) A plastic spoon
C) A woollen string
D) An eraser
Correct Answer: A
Solution :
The given circuit, when completed by an object that conducts electricity, will light up the bulb. Out of the given options, it is only an aluminium rod which can conduct electricity, whereas, a plastic spoon, a woollen string and an eraser are all bad- conductors of electricity. Therefore, joining the points X and Y with an aluminium rod will complete the circuit and light up the bulb,You need to login to perform this action.
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