Multiple Choice
A proton has a speed of 3.0 × 106 m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20 m. What is the magnitude of the magnetic field?
A) 0.080 T
B) 0.16 T
C) 0.24 T
D) 0.32 T
E) 0.36 T
Correct Answer:

Verified
Correct Answer:
Verified
Q15: An electron moves with a speed of
Q16: A +2-μC charge is at rest in
Q17: Two long, parallel wires carry currents of
Q18: FIGURE 22-3 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 22-3
Q19: FIGURE 22-3 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 22-3
Q21: FIGURE 22-8 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6213/.jpg" alt="FIGURE 22-8
Q22: How many turns should a 10-cm long
Q23: When you double the number of windings
Q24: A proton moving in a region of
Q25: A proton is projected with a velocity