Question

1) what will be the potentional differenece between all the devices ?​

Answer 1

Answer:

The potential difference between points A and B, VB-VA, is defined as the shift in the potential energy of a charge q, divided by the charge, shifted from A to B. Joules per coulomb, given the term volt (V) after Alessandro Volta, are units of potential difference.

Explanation:

Hope it helps!!!!

Answer 2

Potential difference between two points is measured using voltmeter. It is connected in parallel to the points where potential difference is to be measured.

Potential difference between two points is measured using voltmeter. It is connected in parallel to the points where potential difference is to be measured. Ideally voltmeter should have very large resistance so that it doesn't draw any current.. HOPE IT WILL HELPS YOU