Magnetic Effects of Electric Current Quiz
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Magnetic Effects of Electric Current Quiz

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Questions and Answers

What is the rule used to determine the direction of the magnetic field around a straight current-carrying conductor?

  • Maxwell's right-hand grip rule
  • Right-hand thumb rule (correct)
  • Oersted's rule
  • Fleming's left-hand rule

    • Who discovered that a needle got deflected when a current-carrying conductor was placed nearby?

  • Thomas Edison
  • James Clerk Maxwell
  • Michael Faraday
  • Hans Christian Oersted (correct)

    • What is the device used to induce current in a circuit based on the principle of electromagnetic induction?

  • Transformer (correct)
  • Ammeter
  • Inductor
  • Galvanometer

    • Who formulated the right-hand rule to determine the direction of the magnetic field induced by a current-carrying loop?

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

    What is the principle behind the working of an electric motor?

    <p>Fleming's left-hand rule</p> Signup and view all the answers

    What kind of force does a moving charge experience in a magnetic field?

    <p>A force perpendicular to its own velocity and to the magnetic field</p> Signup and view all the answers

    What materials does a permanent magnet's magnetic field pull on?

    <p>Ferromagnetic materials such as iron</p> Signup and view all the answers

    What are the three magnetic effects exerted by a nonuniform magnetic field on 'nonmagnetic' materials?

    <p>Paramagnetism, diamagnetism, and antiferromagnetism</p> Signup and view all the answers

    What mathematical concept is used to describe the strength and direction of a magnetic field?

    <p>A vector field</p> Signup and view all the answers

    What types of fields surround magnetized materials, electric currents, and electric fields varying in time?

    <p>Magnetic fields</p> Signup and view all the answers

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