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8 Cards in this Set

  • Front
  • Back
The strength of the magnetic field of a bar magnet is greatest at ____________.
the north and south poles
Who invented the incandescent light and phonograph?
Thomas Alva Edison
In Benjamin Franklin's famous kite experiment, he proved that lightning is ___________.
static electricity
Magnets are attracted to objects made of ___________.
What is a switch-like device that protects electrical circuits from too much current?
circuit breaker
What happens if you cut a magnet in half?
two magnets are created, each with a north and south pole
How would you make an electromagnet stronger?
Use more loops of wire in the coil.
The amount of electric current flowing in a wire depends on the number of ________ passing through it.