Author Question: A charge has an initial velocity parallel to the y-axis in E and B fields. Both fields point along ... (Read 147 times)

karlynnae · **on:** Jul 28, 2018

A charge has an initial velocity parallel to the y-axis in E and B fields. Both fields point along the x axis. Which of the following statements regarding the charge's motion are correct?

1.The charge will travel along a straight-line path.
2.The charge's speed will change as it travels.
3.The charge will travel in a helical path.
4.The charge will travel in a helical path of increasing pitch.
5.The charge will travel in a circle in the x-y plane.
6.1 and 2 only
7.2 and 4 only
8.None of the above

Question 2

A charge is released from rest in E and B fields. Both fields point along the x axis. Which of the following statements regarding the charge's motion are correct?<--EndFragment--> y after the switch is closed?

1.The charge will travel along a straight-line path.
2.The charge's speed will change as it travels.
3.The charge will travel in a helical path.
4.The charge will travel in a helical path of increasing pitch.
5.The charge will travel in a circle in the x-y plane.
6.1 and 2 only
7.2 and 4 only
8.None of the above