Physics Chapter 8

Front 1

Define north pole

Back 1

North seeking part of a magnet

Front 2

Define south pole

Back 2

south-seeking part of a magnet

Front 3

Define electromagnetic induction

Back 3

1

Front 4

Define Principles of electromagnetism

Back 4

1

Front 5

Define Electromagnetic (EM) waves

Back 5

1

Front 6

Define Blackbody radiation

Back 6

1

Front 7

Define Greenhouse effect

Back 7

1

Front 8

Sketch the shape of the magnetic field around a bar magnet.

Back 8

1

Front 9

What happens to a feromagnetic material when it is placed in a magnetic field?

Back 9

1

Front 10

Describe the three basic interactions between electricity and magnetism

Back 10

1

Front 11

Explain what superconducting electromagnets are. What advantages do they have over conventional electromagnets? What disadvantages do they have?

Back 11

1

Front 12

Nave fine different basic devices that use at least one of the electromagnetic interactions.

Back 12

1

Front 13

IN many cases, the effect of an electromagnetic interaction is perpendicular to its cause. Describe two different examples that illustrate this.

Back 13

1

Front 14

A coil of wre has a large alternation current flowing in it. A piece of aluminum or copper placed near the coil becomes warm even if it does not touch the coil. Explain why.

Back 14

1

Front 15

What is analog-todigital conversion, and how is it used in sound reproduction?

Back 15

1