[Solved] A lightning arrester must have the following property.

A lightning arrester must have the following property.

a) Discontinuity
b) Poor conductivity
c) Needle end
d) Low melting point

Answer: c
Explanation: Needle end can arrest the lightning easily. Besides, the device must provide a continuous path to electricity so that the current passes to the ground. It must have a high melting point else it will melt down due to the heat generated during carrying lightning current.

Comments