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Which type of magnetism causes materials such as iron to be strongly attracted to magnets?
Answer
Ferromagnetism
What is the name of the current produced when a conductor moves through a magnetic field?
Answer
Induced current
Which scientist formulated the mathematical laws of electromagnetism now known as Maxwell's equations?
Answer
James Clerk Maxwell
What was the first artificial satellite to transmit radio signals from orbit?
Answer
Sputnik 1
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What is the name of the current produced when a conductor moves through a magnetic field?
Answer
Induced current
Which scientist formulated the mathematical laws of electromagnetism now known as Maxwell's equations?
Answer
James Clerk Maxwell
What type of transformer increases alternating voltage while reducing current?
Answer
Step-up transformer
Which inventor developed the first practical steam turbine in 1884?
Answer
Charles Parsons
Who co-invented frequency-hopping spread spectrum, a 1942 patent concept that later influenced secure wireless communication?
Answer
Hedy Lamarr and George Antheil
Who invented the first successful powered airplane, making the Wright brothers' 1903 flight possible?
Answer
The Wright brothers