Simulation Used: https://virtuelle-experimente.de/en/b-feld/b-feld/experiment.php

https://www.youtube.com/watch?v=jcgWlD9PteM&ab_channel=JohnKielkopf

1) What is the radius of the circular path of the electrons as shown in the image and the video on the class website when the accelerating voltage is 100 V and the coil current

is 1 A? The scale's large divisions are centimeters.

Pick the answer closest to what you found.

1. 4.9 cm
2. 9.7 cm
3. 13.8 cm
4. 17.5 cm

2)What is the magnetic field where the electrons are traveling that results from this 1 A current in the Helmholtz coils? Hint: Evaluate the expression given for the field betwee two Helmholtz coils with the dimensions used in the experiment.

Provide a numerical answer with no units, simply the field in "microtesla", that is in 10^-6 T. For example, if you found 3.4 x 10^-4 T, answer "340".

3)What is the velocity of the electrons at 100 V, assuming the known charge and mass of the electron from the accepted universal constants that are the basis of SI units?

4)Whatpercentof the speed of light are the electrons traveling at? For example, if you found that the electron was travelling at 3000 km/s, since the speed of light is 300,000 km/s, you would have 3000/300,000 = 0.01 or 1 percent.

Enter only the number, no % sign or units.