. . . 1 0 70% Done AA A education.wiley.com C - HW 8 Question 4 of 7 0.1 / 18 View Policies Show Attempt History Current Attempt in Progress Your answer is partially correct. An electron is accelerated from rest through potential difference V and then enters a region of uniform magnetic field, where it undergoes uniform circular motion. The figure gives the radius r of that motion versus V1/2. The vertical axis scale is set by Is= 4.24 mm, and the horizontal axis scale is set by Vs 1/2= 40.5 V1/2. What is the magnitude of the magnetic field? r (mm) 0 Vi/2 V 1/2 (V 1/ 2) Number i 0.0966 Units T eTextbook and Media Hint Save for Later Attempts: 4 of 5 used Submit