CTET PAPER II 2019 · PYQ · Electric Circuits / Conductors · easy
Which of the following can be used to complete an electric circuit if one runs out of connecting wire?
A.A paper strip
B.A rubber belt
C.A wooden stick
D.A blade✓ Correct
Explanation
A blade is made of metal which is a good conductor of electricity, so it can be used to complete an electric circuit. Paper, rubber, and wood are insulators and do not allow electric current to pass through them.
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