Question

Give one word for the following.

a) A combination of cells in series.

b) A device used to protect a building from damage by lightning during a thunderstorm.

c) The sensation which determines the shrillness of soun​

Answer 1

Answer:

B) Lighting arrester

Explanation:

lighting arrester catches the lighting and directly take to earth to reduce the power of the lighting and thus converts into underground earth

Answer 2

Answer:

a)are added

b) Lightning rod

c) Frequency of the vibrating body

Explanation:

hope the answer help you