Circular Motion of Charges in Magnetic Fields Video Lessons

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Problem: A static uniform magnetic field is directed into the page. A charged particle moves in the plane of the page following a counterclockwise spiral of decreasing radius as shown. Neglect the effect due to gravity. What is a reasonable explanation? 1. The charge is neutral and speeding up. 2. The charge is positive and with a constant speed. 3. None of these 4. The charge is neutral and with a constant speed. 5. The charge is negative and with a constant speed. 6. The charge is positive and slowing down. 7. The charge is negative and slowing down. 8. The charge is neutral and slowing down. 9. The charge is positive and speeding up. 10. The charge is negative and speeding up.

FREE Expert Solution
Problem Details

A static uniform magnetic field is directed into the page. A charged particle moves in the plane of the page following a counterclockwise spiral of decreasing radius as shown. Neglect the effect due to gravity. What is a reasonable explanation?

1. The charge is neutral and speeding up.

2. The charge is positive and with a constant speed.

3. None of these

4. The charge is neutral and with a constant speed.

5. The charge is negative and with a constant speed.

6. The charge is positive and slowing down.

7. The charge is negative and slowing down.

8. The charge is neutral and slowing down.

9. The charge is positive and speeding up.

10. The charge is negative and speeding up.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Circular Motion of Charges in Magnetic Fields concept. You can view video lessons to learn Circular Motion of Charges in Magnetic Fields. Or if you need more Circular Motion of Charges in Magnetic Fields practice, you can also practice Circular Motion of Charges in Magnetic Fields practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 3 minutes and 23 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Yao's class at TEXAS.