A short chain is usual attached to the back of a petrol tanker trailing behind it to ensure that the
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- A Petrol tanker is balanced on the wh eel
- B Heat generated by friction in the engine can be conducted to the floor
- C Charges generated by friction in the tanker can be conducted to the earth
- D The tanker moves slowly as the chain touches the floor
- E Chain produces sound for the resonance of the tanker engine
Correct Answer: Option C
Explanation:
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