<prompt> There are two electrodes placed at a distance of 4.5cm and it takes 1.5ms for current to be propagated along the nerve from one to another electrode. The velocity of nerve conduction is ?60ms30ms45ms80ms  <response>: Ans. isbi.e., 30ms Velocity Distance traveled Time taken to travel distance 4.5 cm 1.5 ms 3 cmms 30 msec 