Author Question: Faraday's law of induction states that the emf induced in a loop of wire is proportional to A) ... (Read 44 times)

haleyc112 · **on:** Jul 27, 2018

Faraday's law of induction states that the emf induced in a loop of wire is proportional to

A) current divided by time.
B) the magnetic flux.
C) the time variation of the magnetic flux.
D) the magnetic flux density times the loop's area.

Question 2

The index of refraction of diamond is 2.42. This means that a given wavelength of light travels

A) 2.42 times faster in air than it does in diamond.
B) 2.42 times faster in diamond than it does in vacuum.
C) 2.42 times faster in vacuum than it does in diamond.
D) 2.42 times faster in diamond than it does in air.
E) 2.42 times faster in vacuum than it does in air.