Question

d) Magnets
12. Which of the following is commulators?
a) Split rings b) brushes c) Axel
13. Good source of energy should be -
a) easily accessible
b) easy to store and transport
c) be economically d) all the above
14. Gas which is present in both bio-gas and Natural gas?
a) Methane
b) Sulphur dioxide
c) Oxygen
d) Carbon monoxide​

Answer 1

Answer:

split rings

option D

methane e