Question

how to measure the potential difference between the two points(formula)

Answer 1

potential difference is I×R
that is electric current flowing through it multiplied by Resistance
hopefully helps! !!

Answer 2

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$\bold\red{hello...frd\:swigy\:here}$

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by using voltmeter and

To measure the potential difference, a voltmeter should be connected in parallel.

▶▶ PD = i R

I hope, this will help you___❤❤

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