If two ends a and b are connected through a metallic wire. if electrons flows from point b to point a. what can you say about the potential a and b.

Point A is at higher potential than point B

Explanation:

Electrons are negatively charged - this means that they are attracted by positive charges and repelled by negative charges.

This also means that they tend to move in a direction opposite to the electric field lines (because electric field lines point away from a positive charge and toward a negative charge). So, they also tend to move from a point at lower potential to a point at higher potential.

In this problem, the electrons flow from point B to point A: therefore, point A must have higher potential than point B.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

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