Subject :NSO Class : Class 6
Which of the following statements are incorrect?
(i) Human body is a bad conductor of electricity.
(ii) The air gap surrounding an electric circuit acts as an insulator.
(iii) A battery always has two terminals.
(iv) When electricity lights up a bulb, no heat is produced.
A(i) and (ii)
B(iii) and (iv)
C(i) and (iv)
D(ii) and (iii)