Physics for IGCSE & O level - Magnets And Currents (Section 11 - No. 18)
What increases the frequency of a.c. motor?
Increasing the number of turns on the coil.
Cutting a stronger magnet.
Increasing the area of the coil.
Increasing the motor's rotary speed.
הֶסבֵּר
Faster rotation means a higher frequency.