Q. 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?

A) 75 m
B) 1.07 m
C) 14 m
D) 1.4 m
Explanation

Velocity=metre per second, Therefore, time taken=distance$\div$ velocity

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.