Enter the letters corresponding to all the true statements. 1. At a certain location there is...

Enter the letters corresponding to all the true statements.

1. At a certain location there is a constant horizontal magnetic field pointing to the east. A square loop of wire is placed in this field. At time A the bottom of the loop is resting on the floor (which is insulating), and the plane of the square loop is vertical and perpendicular to the magnetic field. The loop tips over and at time B it is flat on the floor. For this situation...

A) The induced current is greatest just before the loop starts to tip
     B) While the loop is tipping over, the induced current is flowing northward through the bottom side of the square
     C) The magnetic flux does not change as a result of the loop tipping over
     D) Current is induced to flow in the loop because the magnetic flux is changing
     E) Before the loop starts to tip over, there is no induced current in the square loop

2. Electromagnetic waves are traveling straight down towards the center of the earth. For these waves...

     A) if the electric field points east, the associated magnetic field points north
     B) if the electric field points north, the associated magnetic field points east
     C) a high-frequency wave has a shorter wavelength than a low-frequency wave
     D) green light has a higher frequency than blue light
     E) visible light has a longer wavelength than ultraviolet light

Expert Solution

genius_generous answered 1 year ago

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