Look at the drawing below. The magnetic field is uniform and directed into the p

Question

Look at the drawing below. The magnetic field is uniform and directed into the page. The two circular paths show the motion of charges in the magnetic field. Answer the following: a) Arc the charges the same sign? Explain? If you can, determine the sign of the charge for each of the circular trajectories. b) Can the speeds of the charges be the same for the two charges? (answer for each picture) If so, arc other quantities constrained, such as mass or charge? Explain. c) Can the mass of the charges be the same for the two charges? (answer for each picture) If so, arc other quantities constrained, such as speed or charge? For each of the charges below which way will they turn as they enter the uniform magnetic field that is directed into the page? (pay attention to the sign of the charge)

Explanation / Answer

Here ,

as the sense of motion of the both will be oposite to each other

3)

the charges must be of oposite sign.

NOw, for the charge on each

charge on left is negative

charge on right is positive

b)

if mass and charge is same

than the speeds of charges will be different

if mass and charge are such that speed is equal for the given radius

c)

yes , the mass of the objects cann be same

for the same mass

m1 = m2

r1 * q1/v1 = r2 * q2/v2

for the mass to be same

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