Chapter 22: Electromagnetic Waves
4 Questions
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Questions and Answers
- 1.The basic equations for all electromagnetism were developed by
- A.
Newton.
- B.
Gauss.
- C.
Maxwell.
- D.
Hertz.
- 2.An electric field is produced by a
- A.
Constant magnetic field.
- B.
Changing magnetic field.
- C.
Either a constant or a changing magnetic field.
- D.
None of the given answers
- 3.A changing electric field will produce a
- A.
Current.
- B.
Gravitational field.
- C.
Magnetic field.
- D.
None of the given answers
- 4.All electromagnetic waves travel through a vacuum at
- A.
The same speed.
- B.
Speeds that are proportional to their frequency.
- C.
Speeds that are inversely proportional to their frequency.
- D.
None of the given answers
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