Phy 202 & 214 Quiz 23 March 7, 2008

1. What's in the Words column of your chart for this F_B in your symbol column.

2. Find the magnetic force on a 3C particle moving 3 x 10⁷ m/s in a direction that makes a 53° angle with the direction of a 4 T magnetic field.

3. If "Right Hand Rule for Magnetic Force " is in your words column, what's in your symbol column?

4. In today's lab, what does E_s represent and what must you NOT do to this object and why?

5. Why is a voltmeter reading of the emf of a battery NOT the actual emf of the battery and by how much does it differ from the actual value?

6. There are two switches in the circuit for this lab.

What are the symbols for these two switches?

Which of these two switches must you always close first?

7. Do step 3 of Part II of this lab, show all your work!