An electron enters a region of space containing a uniform 0.0000209 T magnetic f

Question

An electron enters a region of space containing a uniform 0.0000209 T magnetic field. It's speed is 141 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius r of the electron's path and the frequency f of the motion. R in m maomilan laarming An enters a of a uniform field. Its speed is 141 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius rof the electron's path, and the frequency fof the motion. Number Number Hz o previous ® Give up s View Solution 0 Check Answer Next Exit

Explanation / Answer

qvB = mv^2/r

r = mv/qB

r = 9.1*10^-31*141/1.6*10^-19*0.0000209

r = 38.37*10-6 m

w = qB/m

w = 2pif

f = qB/2pim = 5.85*10^5 Hz

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.