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OCR A Level Physics 4.1 Charge & Current Quiz
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OCR A Level Physics 4.1 Charge & Current Quiz

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Questions and Answers

What is electric current defined as?

  • The quantity of charge in a circuit
  • The rate of flow of positive charge carriers (correct)
  • The flow of negative charge carriers
  • The speed of electric charge

    • Which unit is used to measure electric current?

  • Volts
  • Joules
  • Coulombs
  • Amperes (correct)

    • What is the symbol used to represent current?

  • C
  • I (correct)
  • Q
  • V

    • When two oppositely charged conductors are connected by a wire, what will happen?

    <p>Charge will flow between the conductors causing a current</p> Signup and view all the answers

    Which equation relates charge, current, and time?

    <p>$Q = It$</p> Signup and view all the answers

    Which property do certain particles have that can either be positive, negative, or neutral?

    <p>Charge</p> Signup and view all the answers

    What unit is used to measure the quantity of charge passing through a fixed point per second?

    <p>Coulomb</p> Signup and view all the answers

    What does an ammeter measure in an electric circuit?

    <p>Current</p> Signup and view all the answers

    What does an elementary charge represent?

    <p>The smallest possible charge carried by a particle</p> Signup and view all the answers

    In which direction does conventional current flow in a metal?

    <p>From positive to negative</p> Signup and view all the answers

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