magnets revision

magnets revision

Answer all question don't let them empty guess you may get it right get full mark

published on November 25, 20153 responses 1

which of the following is a magnetic material ?

plastic
aluminium
iron
glass

all magnets have magnetic poles ........... and ................... poles.

Select the two correct answers
south
east
west
north

same poles

attract
hit
repel

unlikely poles ..................

repel
stick
attract

what will happen when I wrapped a string around a bar magnet ? where does it point?

south
west
north
east

what does an electromagnet need ?

bulb - ammeter - pen - rubber
wire - core - battery / power supply - compass

what does an electromagnet use ?

wires
don't use anything
battery
electricity

the magnetic field lines show.............................. complete the sentence

lines
the emerge out of the north pole into south pole
arrows

magnets attract non magnetic materials

true
false

to make an electromagnet stronger :

Select the two correct answers
add magnets
add a core
add more electric current

a compass has a non magnetic needle

true
false
none