Q. ECG is a measure of
A) Rate of heart beat
B) Difference in electric potential
C) Volume of blood pumped
D) Ventricular contraction
Explanation
ECG or EKG (electrocardiogram) is a record of difference in electric potential during the working of heart.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.