Physiology All India exam 1f643fe7 All are true regarding basal electrical rhythm of intestine except A Tone of contraction is related to amplitude of stimulus B Tone of contraction is related to frequency of stimulus C Frequency of contraction is 6/min D Threshold of contraction is -55Mv High-Yield Explanation Tone of contraction is propoional to the number and frequency of action potentials and not the amplitude Ref: Ganong 25th ed/page 497