https://www.youtube.com/watch?v=jcgWlD9PteM&t=3s

I need help with this experimenting the video the questions are :

1) Rather than just one possible voltage, Blackboard is programmed to check the answer for several accelerating voltages -- by what factor would the radius of the path differ from what it is at 100 V, if the accelerating volage were 111? Simply enter a number, for example 0.8 if the path has a radius that is 0.8 times what it would be at 100 V.

2) Observe the videos of the lab experiment and the simulation online, then answer these questions in your own words:

a. What influence does the current through the Helmholtz coils have on the radius of the circular orbit?

b. What influence does the acceleration voltage have on the radius of the circular orbit?

3) Based on your determination of the radius of the electron path under these conditions, what is your measurement of the ratio e/m in SI units (C/kg).Show your calculation and explain your work. You can use the X² or X₂ annotations if you want to show an exponent, or type ^ for exponent. Simply enter you work here. No upload is permitted. Of course, if you use resources other than the class website, please site those sources and answer in your own words.