Question 1
An electron is moving to the right, as shown in the figure. Suddenly it encounters uniform magnetic field pointing out of the page. Which one of the three paths shown will it follow in the field?
◦ path a
◦ path b
◦ path c
Question 2
Three particles travel through a region of space where the magnetic field is out of the page, as shown in the figure. What are the signs of the charges of these three particles?
◦ 1 is neutral, 2 is negative, and 3 is positive.
◦ 1 is positive, 2 is neutral, and 3 is negative.
◦ 1 is negative, 2 is neutral, and 3 is positive.
◦ 1 is neutral, 2 is positive, and 3 is negative.
◦ 1 is positive, 2 is negative, and 3 is neutral.