Which pairing correctly matches the SI unit to the quantity it measures?

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Prepare for the MTTC Integrated Science (Secondary) Test. Utilize flashcards and multiple choice questions with hints and explanations to ace your exam!

Multiple Choice

Which pairing correctly matches the SI unit to the quantity it measures?

Explanation:
Matching SI units to the quantities they measure is the key idea. The ampere is the SI unit for electric current—the rate at which electric charges flow through a conductor. This pairing is correct because it directly ties the unit to the amount being measured. Kelvin measures thermodynamic temperature, not luminous intensity. Candela is the unit for luminous intensity, not temperature. The second measures time, not luminous intensity. So the ampere with electric current is the correct pairing.

Matching SI units to the quantities they measure is the key idea. The ampere is the SI unit for electric current—the rate at which electric charges flow through a conductor. This pairing is correct because it directly ties the unit to the amount being measured. Kelvin measures thermodynamic temperature, not luminous intensity. Candela is the unit for luminous intensity, not temperature. The second measures time, not luminous intensity. So the ampere with electric current is the correct pairing.

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