Computer Science for IGCSE & O level - Hardware (Section 12 - No. 24)
What is the role of a magnetic field sensor in an ABS system?
To monitor the speed of each wheel.
To control the braking pressure directly.
To act as a 'jolt' on the brake pedal.
To increase the speed of the car.
Explanation
Magnetic field sensors in an ABS system measure the rotational speed of each wheel.