1. Jeopardy Opening

2. Magnetic Field of Dreams May the Force be with You
Definitions
Magnetic Field of Dreams
Don’t Break the Law!
May the Force be with You
Don’t Formulae to Me
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Game Board

3. Definitions: $100
SI Defines this as the current in each of two long, straight parallel conductors 1m apart in a vacuum, when the magnetic force between them is 2x10-7 N/m length.
What is an Ampere?

4. What is the Universal Gravitation Constant?
Definitions: $200
The units for this is Newton times metres squared divided by kilogram squared (N*m2/kg2).
What is the Universal Gravitation Constant?

5. What is Escape Speed/Velocity?
Definitions: $300
This is the minimum speed needed to project a mass m from the surface of mass M to just escape the gravitational force of M.
What is Escape Speed/Velocity?

6. What is Uniform/Constant Acceleration?
Definitions: $400
A charged particle in a uniform electric field is said to move with this type of acceleration.
What is Uniform/Constant Acceleration?

7. Definitions: $500
If an object experiences a particular kind of force over a continuous range of positions, then this exists in that region.
What is a Force Field?

8. Magnetic Field of Dreams: $100
This symbol is used to indicate that the magnetic field is going into the page.
What is the circle with an x in it?

9. Magnetic Field of Dreams: $200
A horizontal wire carries a current to the right, through a magnetic field. The force acting on the wire is out of the page. What is the direction of the magnetic field?
What is vertically up?

10. Magnetic Field of Dreams: $300
The magnitude of the magnetic field a distance r from a long, straight I is B. The same magnetic field will have magnitude 2B if the current is tripled at this distance.
What is 1.5r ?

11. Magnetic Field of Dreams: $400
A straight wire 15 cm long, with a current of 2 A, lying at right angles to a uniform magnetic field, experiences a magnetic force 0.40 N. What is the magnitude of the magnetic field?
What is B = 1.3 T?

12. Magnetic Field of Dreams: $500
A charged particle moves in a straight line through a region of space. Could there be a nonzero magnetic field in this region? If so, give examples.
What is yes, parallel in the same/opposite direction or with a crossed electric field?

13. Don’t Break the Law: $100
When a current is induced in a coil by a changing magnetic field, the electric current is in such a direction that its own magnetic field opposes the change that produced it.
What is Lenz’s Law?

14. Don’t Break the Law: $200
This law states that the force between two point charges is inversely proportional to the square of the distance between the charges and directly proportional to the product of the charges.
What is Coulomb’s Law?

15. What is Newton’s Law of Universal Gravitation?
Don’t Break the Law: $300
This law states the force between any two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.
What is Newton’s Law of Universal Gravitation?

16. What is the Law of Mr. Chang/Law of the Land?
Don’t Break the Law: $400
This law states that if you are not punctual to your physics class you will have lunch time detention.
What is the Law of Mr. Chang/Law of the Land?

17. What is the Law of Conservation of Charge?
Don’t Break the Law: $500
This law states that the total charge (the difference between the amounts of positive and negative charge) within an isolated system is conserved.
What is the Law of Conservation of Charge?

18. May the Force be with You: $100
What is the magnitude and direction of the magnetic force on an electron travelling at 5.0 x 104 m/s in the same direction as a uniform magnetic field with a strength of 5.0 T?
What is zero?

19. May the Force be with You: $200
Determine the magnitude and direction of the force on an electron traveling 8.75 x 105 m/s horizontally to the east in a vertically upward magnetic field strength 0.75 T.
What is F = 1.05 x N [NORTH] ?

20. May the Force be with You: $300
If a negative charge is moving in the +x direction through a magnetic field into the page (-z) direction, What is the direction of the magnetic force?
What is downwards or –y?

21. May the Force be with You: $400
What is the distance between two protons experiencing a mutually repelling force of magnitude 4.0 x N?
What is 2.4 x 10-9 m?

22. May the Force be with You: $500
How much current is flowing in a wire 4.80 m long if the max force on it is N when placed in a uniform T field?
What is I = 1.95 A ?

23. Don’t Formulae to Me: $100
This formula allows you to determine the Magnetic Field Strength at any distance away from a current carrying wire.
What is B = moI / 2pr ?

24. Don’t Formulae to Me: $200
This formula determines the magnitude of the force on a current carrying conductor in a magnetic field.
What is FM = IlBsinq ?

25. Don’t Formulae to Me: $300
This formula allows you to determine the magnitude of the electric field at any point in the space between two large parallel plates.
What is e = V/r ?

26. Don’t Formulae to Me: $400
This formula allows you to determine the force on a moving charge in a magnetic field.
What is FM = qvBsinq ?

27. Don’t Formulae to Me: $500
You would derive this expression for the velocity of a satellite using Newton’s Law of Universal Gravitation and Newton’s Second Law.
What is v = sqrt(GmE /r) ?

28. How much do you want to wager?
Daily Double 1 Wager

29. If an object experiences a particular kind of force over a continuous range of positions, then this exists in that region.
What is a Force Field?
Daily Double 1 Q & A

30. How much do you want to wager?
Daily Double 2 Wager

31. Answer
Question
Daily Double 2 Q & A

32. The category is: Magnetic Fields
Final Jeopardy Wager
The category is: Magnetic Fields
How much do you want to wager?

33. Two parallel straight conductor 10. 0 cm apart. I1 = 5
Two parallel straight conductor 10.0 cm apart. I1 = 5.0 A is out of the page and I2 = 7.0 A is into the page. Determine the magnitude and direction of the magnetic field halfway between the two wires.
B1 = 2.0 x 10-5 T B2 = 2.8 x 10-5 T B = B1 + B What is B = 4.8 x 10-5 T [UP]
Final Jeopardy Q & A

34. Game Over