What is the function of a lightning rod?
To explain: The function of a lightning rod.
Explanation of Solution
Introduction:
Earth is an excellent conductor as it accepts all the excess charge into the ground and prevents short-circuit to happening.
When lightning happens, the bottom part of the cloud acts negative surface and a positive charge induces on the ground and rooftops. Thus, a lightning rod and straight attached from the rooftop to the ground helps to collect all the excess charge on the roof to supply them to the Earth. This helps if any charge is discharged on the rooftop. Also, if lightning occurs then it attracts the lightning and supplies the charge directly into the ground.
Conclusion:
Thus, the function of a lightning rod is to prevent the discharge and to conduct the charge on the roof to the ground.
Chapter 32 Solutions
Conceptual Physics: The High School Physics Program
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