Electricity Magnets Test Question Preview (ID: 30598)


God's Design For The Physical World. TEACHERS: click here for quick copy question ID numbers.

Joseph Henry
a) discovered that polarity of magnetic field is determined by current's direction
b) built the largest electromagnet in the world
c) current flowing through a wire generated a magnetic field
d) the earth has a magnetic field

Generators use magnetic energy to produce
a) Mechanical energy
b) Chemical energy
c) Thermal energy
d) Electrcity

Dr. James Van Allen discovered
a) the polarity of the magnetic field is determined by the current's direction
b) built the largest electromagnet in the world
c) current flowing through a wire generates a magnetic field
d) the earth has a magnetic field

Magnets can be used in:
a) Doorbells and Trains
b) Hard drives and Videotapes
c) All of the above
d) None of the above

The direction of the current through a wire does not affect the magnetic field.
a) True
b) False
c)
d)

You are likely to see more auroras during a solar maximum.
a) True
b) False
c)
d)

The color of the aurora depends on the altitude that it occurs in
a) True
b) False
c)
d)

Where does the aurora borealis occur?
a) North Pole
b) South Pole
c) Equator
d)

Nearly all power plants use electromagnetism to produce electricity
a) True
b) False
c)
d)

A magnets strength is
a) the same all over
b) stronger near the poles
c) stronger in the middle
d)

A magnetic field is generated when atoms are randomly arranged.
a) True
b) False
c)
d)

Electric motors convert current into:
a) Mechanical energy
b) Chemical energy
c) Thermal energy
d) Electrcity

Magnetic fields are used to store information on computer hard drives.
a) True
b) False
c)
d)

What is happening to the earth's magnetic poles?
a) Increasing
b) Decreasing
c) Remaining the same
d)

The earth's magnetic north pole and geographical north pole are different
a) True
b) False
c)
d)

The earth's magnetic poles never change
a) True
b) False
c)
d)

Materials that are magnetic are called:
a) Paramagnetic
b) Ferromagnetic
c) Diamagnetic
d)

Can some magnets produce a stronger magnetic field than others?
a) Yes
b) No
c)
d)

A coiled wire produces a weaker electromagnetic field than a straight wire.
a) True
b) False
c)
d)

Hans Christian Oersted
a) discovered that polarity of a magnetic field is determined by current's direction
b) built the largest electromagnet in the world
c) current flowing through a wire generated a magnetic field
d) the earth has a magnetic field

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 30598 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links