Question

Potential difference dV=V1-V2 or V2-V1?

which one is correct?

Answer 1

Answer:

no need for formula

Explanation:

Just remember that what dV is

dV is small change in potential.

And any change can be defined as :

Final value - Initial value.

So dV=V(final) - V(intial).

Totally depends upon these two values.

But,

Answer 2

Explanation:

no need for formula ❣️❣️❣️