P7 Magnetism

Question 1

<p>Do like charges attract or repel?</p>

Answer 1

<p>Like charges repel</p>

Question 2

<p>Do unlike charges attract or repel?</p>

Answer 2

<p>Unlike charges attract</p>

Question 3

<p>Is magnetism a contact or non-contact force?</p>

Answer 3

<p>Magnetism is a non-contact force</p>

Question 4

<p>What are the three magnetic elements?</p>

Answer 4

<ul><li>Iron</li><li>Nickel</li><li>Cobalt</li></ul>

Question 5

<p>What are <b>Induced Magnets</b>?</p>

Answer 5

<p>An induced magnet is a magnetic material that temporarily becomes magnetic when it enters a magnetic field</p>

Question 6

<p>Where is the magnetic field of a magnet strongest?</p>

Answer 6

<p>A magnetic field is strongest at the poles of a magnet</p>

Question 7

<p>When do magnets attract or repel each other?</p>

Answer 7

<p>Magnets attract or repel each other when their magnetic fields overlap each other</p>

Question 8

<p>Which part of the Earth produces a magnetic field?</p>

Answer 8

<p>The Core</p>

Question 9

<p>What does the strength of a magnetic field around a wire depend on?</p>

Answer 9

<ul><li>Size of the current</li><li>Distance away from the wire</li></ul>

Question 10

<p>What is a solenoid?</p>

Answer 10

<p>A solenoid is a loop of wire in a coiled cylindrical shape</p>

Question 11

<p>What is the <b>Motor Effect</b>?</p>

Answer 11

<p>When a wire carrying a current is placed in </p>

Question 12

<p></p>

Answer 12

<p></p>

Question 13

<p></p>

Answer 13

<p></p>

Question 14

<p></p>

Answer 14

<p></p>

Question 15

<p></p>

Answer 15

<p></p>

Question 16

<p></p>

Answer 16

<p></p>

Question 17

<p></p>

Answer 17

<p></p>

Question 18

<p></p>

Answer 18

<p></p>

Question 19

<p></p>

Answer 19

<p></p>