A short chain is usually attached to the rear side of petro tanker trailing behind it to ensure that the
a
charges generated by friction in the tanker are conducted to the earth
b
chain vibrates in resonance with the tanker’s engine
c
heat generated by friction in the engine is conducted to the earth
d
petrol tanker is balanced on the road
e
tanker does not exceed a certain speed limit
Explanation
Correct Option
aNo explanation available
Video Explanation
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