How do you work out current in a parallel circuit?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9