Deck 18: Hall Effect Sensors

Question 1

If the polarity of the magnetic field is reversed, the current path is deflected in the opposite direction.

Answer 1

True

Question 2

In the accompanying diagram, when the solid metal part of the disk is between the sensor and magnet, the ____________________ is shunted away from the sensor.

Answer 2

magnetic field

Question 3

Hall effect linear transducers can be obtained that have two types of outputs. What are they?

Answer 3

Hall effect linear transducers can be obtained that have regulated output and ratiometric output.

Question 4

The Hall generator can be used to measure the speed of a rotating device.

Question 5

Hall generators have moving parts and contacts that wear out.

Question 6

Figure 18-06

In the accompanying diagram, when the notch is between the sensor and the magnet, a(n) ____________________ is produced by the Hall generator.

Question 7

Hall originally used a piece of pure gold to produce the Hall effect, but today a piece of ____________________ material is used instead.

Question 8

A(n) ____________________ is a ferrous metal disk used to shunt a magnetic field away from some other object.

Question 9

Position sensors have the ability to sense the intensity of the magnetic field.

Question 10

The amount of voltage produced by the Hall generator is determined by what two things?

Question 11

A Hall generator is not affected by dirt, oil, or vibration.

Question 12

Describe how the Hall effect is produced using the Hall generator.

Question 13

____________________ are designed to produce an output voltage that is proportional to the strength of a magnetic field.

Question 14

How can a Hall generator be used in a manner similar to a limit switch?

Question 15

Figure 18-02

In the accompanying figure, what is being shown?