Electric Field and Potential » Exercise - 14. If a positive charge is shifted from a low-potential region to a high-potential region, the electric potential energy : (a) increases (b) decreases (c) remains the same (d) may increase or decrease
5555555555 14. When the current through an inductor decreases, the amount of energy stored in the electromagnetic field ________. (a) increases (b) decreases (c) remains the same (d) doubles
5555555555 5. If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density ________. (a) increases (b) decreases (c) remains the same (d) doubles