WorksheetsTopic 4: MAGNETISM (1st hour)
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
Q1 All permanent magnets have two
a)
magnetic charges
b)
magnetic fields
c)
magnetic needles
d)
magnetic poles
2.
Q2 Like poles on a permanent magnet will
a)
attract each other
b)
repel each other
c)
always interact
d)
point in the same direction
3.
Q3 The magnetic field lines around a bar magnet
a)
are perfectly straight
b)
are only perpendicular to the magnet
c)
spread out from one pole and curve around to the other
d)
cross back and forth over one another
4.
Q4. Electric currents passing through wires will produce a(n)
a)
solenoid
b)
magnet
c)
magnetic field
d)
insulator
5.
Q5. Which one of the following shows the correct arrangement for magnetic fields around a bar magnet?
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
6.
Q6. What makes an electromagnet different than a permanent magnet... select all that apply
a)
it can be turned on and off
b)
it does not need any electricity
c)
its strength can be increased and decreased
d)
its polarity can be reversed
7.
Q7 A neutron which is subjected to a uniform magnetic field will be
a)
moving in parabolic path
b)
moving in a circular path
c)
accelerated
d)
unaffected
8.
Q9 The magnetic field around a bar magnet
a)
are perfectly straight
b)
are only perpendicular to the magnet
c)
spread out from one pole and curve around to the other
d)
cross back and forth over one another
9.
Q10 Which way will NOT increase the strength of the magnetic field of an electromagnet
a)
increasing the current
b)
using a stronger ferromagnetic core
c)
winding the coils closer together
d)
decreasing the number of loops
100 %
