Definition Of Magnetism Quiz
A review of chapter 21.
- 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.
Questions: 14 | Attempts: 19369 | Last updated: Mar 22, 2022
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Sample QuestionMagnetic lines of force are:
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