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- 1. Multiple Choice
The magnetic field oriented into the page has an initial field strength of 5 Tesla into the page. It changes to 2 Tesla into the page. What is the direction of the induced current?
CW
CCW
- 2. Multiple Choice
Magnetic flux is measured in
teslas
coulombs
webers
farads
- 3. Multiple Choice
A conductive loop moves downward into the magnetic field as shown in the diagram. Which way will the induced current flow in the conductive loop?
CW
CCW
- 4. Multiple Choice
Can you produce current in a wire with a magnet that is sitting still?
Yes; having a magnet near a wire is enough to excite the electrons
No; the magnetic field has to be changing to excite the electrons
No; magnets cannot create electricity
- 5. Multiple Choice
The magnetic field oriented out of the page has an initial strength of 6 Tesla. Over time the field out of the page increases to 10 Tesla out of the page. What is the direction of induced current in the loop?
CW
CCW
- 6. Multiple ChoiceIf you wrap more coils around an electromagnet, it will become...brighterstrongerweakerinvisible
- 7. Multiple Choice
Find the direction of the magnetic force assuming the charge is negative.
Into the screen
Out of the screen
Right
Left
- 8. Multiple Choice
A conductive loop moves upward out of the magnetic field as shown in the diagram. Which way will the induced current flow in the conductive loop?
CW
CCW
- 9. Multiple Choice
A wire carries a current, creating a magnetic field around itself as shown. The current in the wire is:
Directed to the right
Directed to the left
Equal to the magnetic field
In the same direction as the magnetic field
- 10. Multiple Choice
The magnetic field oriented out of the page has an initial strength of 7 Tesla. Over time the field out of the page decreases to 2 Tesla out of the page. What is the direction of induced current in the loop?
CW
CCW
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