<h2>
Answer: A</h2>
Explanation because the distance covered is equal time intervals is the same or equal.
Higher voltage means faster rotation. Changing the voltage polarity changes the direction of the motor.
Answer:
amu is atomic mass unit
All of elements hydrogen is the lightest.
Hydrogen is taken as a basic unit so it happened 1amu
So 1 amu must be hydrogen mass
If I am wrong,Pls tell me the true answer....
