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  5. A short chain is som...

A short chain is sometimes attached to the back of a petrol tanker to?

Physics
JAMB 2008

A short chain is sometimes attached to the back of a petrol tanker to?

  • A. generate more friction
  • B. ensure the balancing of the tanker
  • C. caution the driver when overspeeding
  • D. conduct excess charges to the earth
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Correct Answer: Option D
Explanation

The friction between the tanker and air creates charges which the chain conducts to the ground.

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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