10 Questions
Which phenomenon did Hans Christian Oersted discover during his lecture demonstration in 1820?
The deflection of the compass needle by a current in a wire
What is the orientation of the needle when a current flows through the wire?
Tangential to an imaginary circle
What happens to the orientation of the needle when the direction of the current is reversed?
The orientation of the needle is reversed
What factors affect the deflection of the compass needle?
The distance between the wire and the needle
What did the iron filings around the wire form?
A magnetic compass
Which equation represents the force experienced by a charge q in an electric field E?
F = qE
Who stressed the concept of a field and incorporated it into the unification of electricity and magnetism?
Faraday
How do multiple charges contribute to the electric field at a particular point?
The fields add vectorially
Can electric fields vary with time?
No, they are constant
What is the physical role of an electric field?
It can convey energy and momentum
Test your knowledge of the relationship between electricity and magnetism with this quiz! Explore the discoveries of Hans Christian Oersted and the fascinating connection between these two forces that have been known for over 2000 years.
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