The air resistance to the movement of the train is proportional to
A. Speed
B. (Speed)2
C. (Speed)3
D. $$\frac{1}{{{\text{Speed}}}}$$
Answer: Option B
Related Questions on Electric Traction
In case of ___________ free running and coasting periods are generally long.
A. Mainline service
B. Urban service
C. Suburban service
D. All of the above
Electric locomotives in India are manufactured at
A. Jamalpur
B. Bangalore
C. Chittaranjan
D. Gorakhpur

Join The Discussion