A charged particle moving within a static magnetic field
A) will always experience a magnetic force, regardless of its direction of motion.
B) may experience a magnetic force which will cause its speed to change.
C) may experience a magnetic force, but its speed will not change.
D) None of the above statements are true.
Question 2
An 84-kW AM radio station broadcasts at 1000 kHz . How many photons are emitted each second by the transmitting antenna? (h = 6.626 10-34 J s)
A) 1.3 1032
B) 2.9 1024
C) 6.3 1012
D) 1.4 1015