Eddy Current Quiz 1 questions well
answered
The connection between electricity and magnetism by observing how a wire connecting the
ends of a voltaic battery affected a compass in its vicinity was first observed by: - correct answer
✔✔ Hans Orsted
What is Michael Faraday credited with discovering? - correct answer ✔✔ The effect of
electromagnetic induction.
The first eddy current instrument was developed in: - correct answer ✔✔ 1926
The flow of eddy currents primarily depends on which of the following? - correct answer ✔✔
Physical and electrical characteristics of the test object.
What do electromagnetic testing instruments typically measure and display? - correct answer
✔✔ Changes in coil impedance.
What type of current is typically employed in electromagnetic testing instruments? - correct
answer ✔✔ Alternating current.
Inducing current flow into a coil by a magnet turns it into a(n): - correct answer ✔✔
Electromagnet.
The direction of the magnetic field induced by an eddy current is ____________________ to
the eddy current: - correct answer ✔✔ Perpendicular.
answered
The connection between electricity and magnetism by observing how a wire connecting the
ends of a voltaic battery affected a compass in its vicinity was first observed by: - correct answer
✔✔ Hans Orsted
What is Michael Faraday credited with discovering? - correct answer ✔✔ The effect of
electromagnetic induction.
The first eddy current instrument was developed in: - correct answer ✔✔ 1926
The flow of eddy currents primarily depends on which of the following? - correct answer ✔✔
Physical and electrical characteristics of the test object.
What do electromagnetic testing instruments typically measure and display? - correct answer
✔✔ Changes in coil impedance.
What type of current is typically employed in electromagnetic testing instruments? - correct
answer ✔✔ Alternating current.
Inducing current flow into a coil by a magnet turns it into a(n): - correct answer ✔✔
Electromagnet.
The direction of the magnetic field induced by an eddy current is ____________________ to
the eddy current: - correct answer ✔✔ Perpendicular.
