Measurement and Units Quiz
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Questions and Answers

What is a unit in which a physical quantity is measured?

  • A standard for measuring physical quantities (correct)
  • A device used by engineers for measurement
  • A derived quantity based on fundamental units
  • A numerical value representing a physical quantity

    • How are fundamental quantities defined?

  • As physical quantities that have multiple units of measurement
  • As physical quantities that do not depend on any other physical quantities for measurement (correct)
  • As physical quantities that are only used in engineering
  • As physical quantities that are derived from other fundamental quantities

    • What are the fundamental units for mass, time, and electric current?

  • Kilogram, second, ampere (correct)
  • Gram, minute, volt
  • Gram, second, ampere
  • Kilogram, hour, watt

    • What are the derived units based on?

    <p>Fundamental units</p> Signup and view all the answers

    Why do we require a limited number of units to express the large number of physical quantities?

    <p>Because the physical quantities are related to one another</p> Signup and view all the answers

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