Electric field lines are drawn (a) from positive charges to negative chargers (b

Question

Electric field lines are drawn (a) from positive charges to negative chargers (b) from negative charges to positive charges from the largest charge to the smallest charge (d) from the smallest charge to the largest charge. The points where the potential is the same (in three- dimensional space) have the same voltage. (a) True (b) False The points where the potential is the same (in three dimensional space) lie on a surface. (a) true (b) False The relationship between the direction of the electric field lines and the equipotential surfaces is (a) field lines are everywhere parallel to surfaces (b) field lines always intersect each other (c) field lines are everywhere perpendicular to surfaces (d) field lines always makes angles between 0 degree s and 90 degree s with surfaces. Why are the measured equipotentials lines instead of surfaces for this laboratory? If two electrons have a source of potential difference of 100 V connected to them , how many equipotential surfaces exist in the space between them? Why is it important to centre the electrodes on the resistance paper of his laboratory?

Explanation / Answer

1)

Electric field lines drawn from positive charge to negative charge

2) True

3) True, that surface is called equi-potential surface

4) The electric field lines and the equi potential surfaces are perpendicular to each other

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