Electromagnetism

10 Kysymystš

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Electromagnetism

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Questions and Answers
  • 1. 
    What is an Alternating Current?
    • A. 

      An electric Current that changes its direction.

    • B. 

      An Electric Charge that doesn't change its path.

    • C. 

      An electromagnetic wave.

    • D. 

      None of the above

  • 2. 
    What is a Domain composed of?
    • A. 

      Atoms

    • B. 

      Energy

    • C. 

      Electricity

    • D. 

      None of the above

  • 3. 
    An electric motor converts  electrical energy to __________ energy
    • A. 

      Potential

    • B. 

      Kinetic

    • C. 

      Both a and b

    • D. 

      None of the above

  • 4. 
    What is the power level of an Electromagnet?
    • A. 

      Strong

    • B. 

      Weak

    • C. 

      Medium

    • D. 

      Nuclear

  • 5. 
    What is Electromagnetic Induction?
    • A. 

      The production of a current in a circuit by a change in strength.

    • B. 

      Region where a force can be detected

    • C. 

      Both a and b

    • D. 

      None of the above

  • 6. 
    What does a Galvanometer measure?
    • A. 

      The amount of current in a circuit

    • B. 

      The amount of votage in a circuit

    • C. 

      The amount of electrical power in a region

    • D. 

      None of the above

  • 7. 
    What does a generator switch?
    • A. 

      Energy types

    • B. 

      Direction

    • C. 

      Both a and b

    • D. 

      None of the above

  • 8. 
    What is a magnetic field?
    • A. 

      An area where a magnetic force can be detected

    • B. 

      Where you play magnetic ball

    • C. 

      Both a and b

    • D. 

      None of the above

  • 9. 
    What is a solenoid?
    • A. 

      A coil of insulated wire

    • B. 

      An asteroid in outer space

    • C. 

      Both a and b

    • D. 

      None of the above

  • 10. 
    What does a transformer change?
    • A. 

      Voltage

    • B. 

      Mass

    • C. 

      Weight

    • D. 

      None of the above