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
Verified Correct Answer: A.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #42929)