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15 Cards in this Set

  • Front
  • Back
Define north pole
North seeking part of a magnet
Define south pole
south-seeking part of a magnet
Define electromagnetic induction
1
Define Principles of electromagnetism
1
Define Electromagnetic (EM) waves
1
Define Blackbody radiation
1
Define Greenhouse effect
1
Sketch the shape of the magnetic field around a bar magnet.
1
What happens to a feromagnetic material when it is placed in a magnetic field?
1
Describe the three basic interactions between electricity and magnetism
1
Explain what superconducting electromagnets are. What advantages do they have over conventional electromagnets? What disadvantages do they have?
1
Nave fine different basic devices that use at least one of the electromagnetic interactions.
1
IN many cases, the effect of an electromagnetic interaction is perpendicular to its cause. Describe two different examples that illustrate this.
1
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.
1
What is analog-todigital conversion, and how is it used in sound reproduction?
1