question_answer

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)