Physics for IGCSE & O level - Magnets And Currents (Section 9 - No. 9)
What is the main reason for using slip rings in an A.C. generator?
To reverse the direction of the current.
To maintain a consistent connection to the coil.
To reduce the voltage.
To increase the speed of the generator.
คำอธิบาย
Slip rings provide a continuous connection to the coil, allowing the current to flow smoothly.