Sensor Accelerometer

What is the primary function of an accelerometer?

• To measure velocity

• To measure acceleration

• To measure displacement

• To measure frequency

In what type of industry are accelerometers commonly used for vibration measurement?

• Food and beverage

• Automotive

• Fashion

• Education

What type of information can be obtained from an accelerometer in a smartphone?

• The temperature of the phone

• The user's heartbeat

• The phone's location

• The phone's orientation

In what industry are accelerometers used for free fall detection?

• Healthcare

• Construction

• Aerospace

• Agriculture

What is an accelerometer?

• A device that measures the rate of change of velocity with respect to time

• A device that measures the rate of change of position with respect to time

• A device that measures the rate of change of force with respect to time

• A device that measures the rate of change of pressure with respect to time

What is one common use of accelerometers in smartphones?

• Measuring air pressure

• Measuring heart rate

• Measuring acceleration and tilt

• Measuring light intensity

What is an example of a use of accelerometers in the aviation industry?

• Measuring passenger heart rate

• Measuring aircraft altitude

• Measuring pilot brain activity

• Measuring aircraft acceleration and vibration

Which of the following industries commonly use accelerometers for free fall detection?

• Construction

• Sports

• Aerospace

• All of the above

Which principle is used by Hall-effect accelerometers to measure acceleration?

• Piezoelectric effect

• Capacitive sensing

• Hall principle

• Magnetic field variation

Which type of accelerometers are less prone to noise and variation with temperature?

• Hall-effect accelerometers

• Piezoelectric accelerometers

• Capacitive accelerometers

• None of the above