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JAMB Physics 2021 Objective — Question 38

Question 38 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2021 Objective paper, with the correct answer and a full explanation.

Short chain on back of petrol tanker to:

A. caution driver
B. increase friction
C. ensure balancing
D. conduct excess charges to earthCorrect

Explanation

Chain grounds static charges, preventing sparks near fuel.

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