Hall

What is Hall effect in physics?

• The production of a voltage difference across an electrical conductor

• The reflection of light in a hall

• The absorption of sound in a hall

• The increase in temperature in a closed space

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Which material is commonly used in Hall effect sensors?

• Copper

• Silicon

• Iron

• Gold

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What is the primary application of Hall effect sensors?

• Measuring temperature

• Detecting magnetic fields

• Measuring pressure

• Detecting sound waves

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In which type of materials is the Hall effect most commonly observed?

• Insulators

• Semiconductors

• Superconductors

• Metals

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Who discovered the Hall effect?

• Albert Einstein

• Isaac Newton

• Edwin Hall

• Nikola Tesla

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What is the unit of the Hall coefficient?

• Tesla

• Ohm

• Volt

• Coulomb per meter

How does the Hall effect help in determining the type of charge carriers in a material?

• By measuring the temperature change

• By observing the direction of the Hall voltage

• By calculating the resistance

• By measuring the speed of sound

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What is the relationship between Hall voltage and magnetic field strength?

• Directly proportional

• Inversely proportional

• No relationship

• Exponentially proportional

Which of the following is a real-world application of the Hall effect?

• Digital thermometers

• Magnetic field sensors in smartphones

• Optical lenses

• Solar panels

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What does a negative Hall coefficient indicate about the charge carriers?

• They are positive

• They are negative

• They are neutral

• They are absent