Answered: Choose the correct answers. 1. What…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Choose the correct answers.

1. What is the cyclotrone frequency of an electron in a magnetic field of 2 T?

A. 14 GHz

B. 28 GHz

C. 42 GHz

D. 56 GHz

2. For a proton to pass undeflected in a region where the electric field is 0.25 N/C and a magnetic field of 2.0 x 10-5 T, what must be its speed?

A. 125 m/s

B. 1,250 m/s

C. 12,500 m/s

D. 125,000 m/s

3. A charged particle q, traveling through a magnetic field, has the force F acting upon it. Another particle with charge equal to -2q will have the same force acting upon it if:

A. it moves at half the velocity in the opposite direction.

B. it moves at twice the velocity in the opposite direction.

C. it moves at half the velocity in the same direction.

D. it moves at twice the velocity in the same direction.

4. A proton moves through a uniform magnetic field of magnitude 2.5 x 10-3 T at a speed of 3.50 x 104 m/s. What is the magnitude of a maximum magnetic force it can experience?

A. 1.401 x 10-17 N

B. 1.401 x 10-15 N

C. 1.401 x 1015 N

D. 1.401 x 1017 N

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