A petrol tank is earthed to:

JAMB Physics 2023 121 views

A petrol tank is earthed to:

  1. Prevent the build-up of static electricity
  2. Provide a path for current to flow in the event of a short circuit
  3. Protect the petrol tank from lightning strikes
  4. All of the above ✓

Explanation

This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.

Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.

Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.

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