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57.58_mult_Answers.pdf
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1. 0625/1 1/M/J/18/No.27 A permanent magnet is placed close to a bar of soft iron.
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s N |
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p Q |
permanent
soft iron bar magnet
What are the polarities of end P and of end Q?
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end P |
end Q |
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A B D |
N N s S |
s s |
SOARThe diagram shows a permanent bar magnet placed on a wooden table. A student draws arrows to show the direction of the magnetic field at four points.
Which arrow shows the direction of the magnetic field at that position?
c
An electromagnet is used to remove a splinter from an eye.
What material is the splinter made from?
A aluminium
Bv/©lass
C iron
D wood
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https://solvedpapers.co.uk 4. 0625/12/F/M/18A0.27 Which diagram shows the magnetic field around a bar magnet?
5. 0625/21/M/J/18/No.26 A steel magnet is placed inside a coil of wire. Which method is used to demagnetise the magnet? A nnect the coil to an a.c. power supply B connect the coil to an a.c. power supply and slowly remove the magnet from the coil C connect the coil to a d.c. power supply D connect the coil to a d.c. power supply and slowly remove the magnet from the coil 6. 0625/22/M/J/18/N0.26 Which method is used to demagnetise a bar magnet? |
A ower it into water B heat it with a Bunsen burner
C place it in a metal box
D suspend it in a sling
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