The Brainliest Answer!
Alternating current is the answer.
1 5 1

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The current produced due to the ALTERNATING CURRENT (AC) was taken as a measure of activity of the compound...
i had confusion on the two "thermodynamic activity" and "alternating current " m sure about this answer
U.........copied ma answer!!!!!!!!!!!