Definition Of Magnetism Quiz

10 Questions | Total Attempts: 112

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Definition Of Magnetism Quiz - Quiz

A review of chapter 21.


Questions and Answers
  • 1. 
    A compass points north because  
    • A. 

      There are more magnetic materials in the north.

    • B. 

      That is the only directionin which it can point.

    • C. 

      It is repelled by the South Pole.

    • D. 

      It aligns with Earth's magnetic field.

  • 2. 
    Where is the field of a magnet strongest? 
    • A. 

      Near the north pole

    • B. 

      Near the south pole

    • C. 

      Near both poles

    • D. 

      Near the middle

  • 3. 
    If you cut a magnet in half, you have 
    • A. 

      No magnets.

    • B. 

      Two half magnets.

    • C. 

      One magnet.

    • D. 

      Two magnets.

  • 4. 
    A magnet's field lines always start near the magnet's 
    • A. 

      Middle.

    • B. 

      South pole.

    • C. 

      North pole.

    • D. 

      Side.

  • 5. 
    A ferromagnetic material is 
    • A. 

      Always a magnet.

    • B. 

      A magnet if its domains are aligned.

    • C. 

      A magnet if its domains are not aligned.

    • D. 

      Never a magnet.

  • 6. 
    An iron bar is placed in a solenoid to  
    • A. 

      Decrease the voltage.

    • B. 

      Increase the voltage.

    • C. 

      Increase the magnetic field strength.

    • D. 

      Decrease the magnetic field strength.

  • 7. 
    Which of these cannot increase the strength of an electromagnet? 
    • A. 

      Making the loops smaller in the coil

    • B. 

      Placing an iron bar in the coil

    • C. 

      Winding more loops in the coil

    • D. 

      Increasing the current in the coil

  • 8. 
    An electric generator converts  
    • A. 

      Electrical energy into mechanical energy.

    • B. 

      Power into energy.

    • C. 

      Mechanical energy into electrical energy.

    • D. 

      Energy into power.

  • 9. 
    What effect does a magnetic field have on a charge moving perpendicular to the field?  
    • A. 

      It has no effect.

    • B. 

      It pulls the charge forward.

    • C. 

      It pushes the charge backward.

    • D. 

      It pushes the charge perpendicularly to the field and the charge's velocity.

  • 10. 
    A galvanometer is a device used to measure  
    • A. 

      Current.

    • B. 

      Resistance.

    • C. 

      Voltage.

    • D. 

      Magnetic field strength.

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