NEET Biology question
If a motor nerve has a conduction velocity of 10 ms⁻¹, how long will it take an action potential to reach a muscle 0.75 m from the spinal cord?
Answer: (A)
Solution
Time taken equals distance divided by speed, so t = 0.75 m ÷ 10 m/s = 0.075 s = 75 ms, confirming option (a).