Question

Which of the following statements are correct?

(i) Human body is a good conductor of electricity.
(ii) The air gap surrounding an electric circuit acts as a conductor.
(iii) Silver conducts electricity better than any other metal.
(iv) When electricity lights up a bulb, no heat is produced.

• A. (i) and (ii)
• B. (iii) and (iv)
• C. (i) and (iii)
• D. (ii) and (iii)

Answer 1

The correct option is C (i) and (iii)

Air is a bad conductor of electricity. When electricity lights up a bulb, heat is produced.