0654 Simple Phenomena of Magnetism Quiz

Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott over 2 years ago
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Quiz for 0654 Coordinated Sciences on Magnetism

Resource summary

Question 1

Question
Which statement about a magnet is correct?
Answer
  • A A magnet attracts a gold rod.
  • B A magnet does not attract a plastic rod.
  • C A magnet never repels another magnet.
  • D A magnet sometimes repels an unmagnetised nickel rod.

Question 2

Question
A student wishes to make a permanent magnet. She has an iron rod and a steel rod. Which rod should she use to make the permanent magnet, and is this rod a hard magnetic material or a soft magnetic material?
Answer
  • A
  • B
  • C
  • D

Question 3

Question
Two nickel bars are placed close to the N-pole of a bar magnet. The nickel bars become magnetised. Which row in the table states the pole induced at P, the pole induced at Q, and the type of magnetic force between P and Q?
Answer
  • A
  • B
  • C
  • D

Question 4

Question
A student wishes to make a permanent magnet. She has an iron rod and a steel rod. Which rod should she use to make the permanent magnet, and is this rod a hard magnetic material or a soft magnetic material?
Answer
  • A
  • B
  • C
  • D

Question 5

Question
Which statement about magnetism is correct?
Answer
  • A An unmagnetised iron bar becomes magnetised when it is placed near a magnet.
  • B An unmagnetised steel bar can be magnetised by passing a current through it.
  • C The direction of magnetic field lines is from an S-pole to an N-pole.
  • D The N-poles of two magnets attract each other.

Question 6

Question
In which pair are both materials magnetic?
Answer
  • A aluminium and copper
  • B copper and iron
  • C iron and steel
  • D steel and aluminium

Question 7

Question
The diagram shows the magnetic field around two bar magnets. Which diagram below correctly shows the poles of the magnets?
Answer
  • A
  • B
  • C
  • D

Question 8

Question
The diagram shows apparatus that can be used to make a magnet. Which metal and which power supply are used to make a permanent magnet?
Answer
  • A metal = iron; power supply = 6 V a.c.
  • B metal = iron; power supply = 6 V a.c.
  • C metal = steel; power supply = 6 V a.c.
  • D metal = steel; power supply = 6 V d.c.

Question 9

Question
A wire perpendicular to the page carries an electric current in a direction out of the page. There are four compasses near the wire. Which compass shows the direction of the magnetic field caused by the current?
Answer
  • A
  • B
  • C
  • D

Question 10

Question
Which group contains only non-ferrous metals?
Answer
  • A aluminium, brass, iron
  • B brass, copper, lead
  • C copper, iron, steel
  • D copper, lead, steel

Question 11

Question
An electromagnet with a soft-iron core is connected to a battery and an open switch. The soft-iron core is just above some small soft-iron nails. The switch is now closed, left closed for a few seconds, and then opened. What do the soft-iron nails do as the switch is closed, and what do they do when the switch is then opened?
Answer
  • A
  • B
  • C
  • D

Question 12

Question
Which action will demagnetise a magnetised piece of steel?
Answer
  • A Cool it in a freezer for several hours.
  • B Hit it repeatedly with a hammer.
  • C Put it in a coil carrying a direct current (d.c.).
  • D Put it near an unmagnetised piece of iron.

Question 13

Question
A student investigates the force on a bar magnet placed near a current-carrying coil. She carries out three different experiments. In experiment 1, the magnet is attracted to the coil. Which row shows what happens in the other two experiments?
Answer
  • A
  • B
  • C
  • D

Question 14

Question
Three cores of different metals, P, Q and R, are placed inside identical coils of wire. At least one of the metals is non-ferrous. The cores are held above some iron nails. Which choice correctly identifies whether the core metals are ferrous or non-ferrous?
Answer
  • A ferrous = P; non-ferrous = Q and R
  • B ferrous = P and Q; non-ferrous = R
  • C ferrous = Q and R; non-ferrous = P
  • D ferrous = R; non-ferrous = P and Q

Question 15

Question
Which choice correctly states whether each metal is ferrous or non-ferrous?
Answer
  • A
  • B
  • C
  • D

Question 16

Question
Which procedure may be used to demagnetise a steel bar?
Answer
  • A cooling it in a freezer for several hours
  • B earthing it with a copper wire for several seconds
  • C removing it slowly from a coil carrying an alternating current (a.c.)
  • D rubbing it in one direction with a woollen cloth

Question 17

Question
Which statement about a permanent bar magnet is correct?
Answer
  • A It is made from a soft magnetic material.
  • B It repels a non-magnetic material.
  • C Its field lines cross each other where the magnetic field is strong.
  • D Its N-pole repels the N-pole of another magnet.

Question 18

Question
The diagram shows two magnets and two iron rods placed in a line. Which magnetic poles are induced at the ends J and K of the iron rods?
Answer
  • A
  • B
  • C
  • D

Question 19

Question
Two iron nails hang from a bar magnet. Which diagram shows the magnetic poles induced in the nails?
Answer
  • A
  • B
  • C
  • D

Question 20

Question
The ends of three metal rods are tested by holding end Q of rod 1 close to the others in turn. The results are as follows. End Q: attracts end R, attracts end S, attracts end T, repels end U. Which of the metal rods is a magnet?
Answer
  • A rod 1 only
  • B rod 1 and rod 2
  • C rod 1 and rod 3
  • D rod 3 only
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