The minimum length of time after an action potential during which another cannot begin is
- The minimum length of time after an action potential during which another cannot begin is
(a) The absolute refractory period
(b) The complex period
(c) The inconclusive period
(d) All above
✅ Correct option: (a) The absolute refractory period
Explanation: In the absolute refractory period, a neuron cannot fire again.