Quiz on Hall Effect

What is the Hall Effect?

• The resistance of a material to electric flow

• The flow of electric current in a circuit

• The generation of heat in a conductor

• The production of a voltage difference across a conductor

Who discovered the Hall Effect?

• Michael Faraday

• Edwin Hall

• Nikola Tesla

• Albert Einstein

In which year was the Hall Effect discovered?

• 1875

• 1879

• 1885

• 1890

What does the Hall voltage depend on?

• Type of material used

• Length and width of the conductor

• Current, magnetic field strength, charge carrier density, and thickness

• Temperature and pressure

What is the equation for Hall voltage?

• V_H = I * B / (n * e * t)

• V_H = I * B * n * e * t

• V_H = I + B + n + e + t

• V_H = I - B / (n * e * t)

Which of the following is an application of the Hall Effect?

• Thermal imaging

• Magnetic field sensors

• Ultrasonic sensors

• Optical sensors

What type of sensor uses the Hall Effect to detect magnetic fields?

• Resistors

• Photodiodes

• Hall Sensors

• Thermocouples

What is a Digital Hall Switch used for?

• To convert AC to DC

• To measure temperature

• To amplify signals

• To provide ON/OFF output based on magnetic field detection

How does the Hall Effect relate to charge carriers?

• It increases their speed

• It neutralizes their charge

• It decreases their density

• It deflects them to one side of the conductor

What is the role of the magnetic field in the Hall Effect?

• It generates heat

• It creates a potential difference

• It increases resistance

• It decreases current