A student examines the turning effect on a current-carrying coil in a magnetic field. The student varies the current in the coil and the number of turns on the coil. Which two changes together must increase the turning effect?
- Adecreasing the current and decreasing the number of turns
- Bdecreasing the current and increasing the number of turns
- Cincreasing the current and decreasing the number of turns
- Dincreasing the current and increasing the number of turns