Computer Science for IGCSE & O level - Hardware (Section 28 - No. 46)
In the context of a car's anti-lock braking system (ABS), a magnetic field sensor is used to:
Measure the car's speed.
Detect the rotation speed of each wheel.
Control the braking pressure.
Activate the ABS.
Giải thích
The magnetic field sensor detects the wheel's speed to determine if a wheel is locking up.