PHY303L Homework%208

# PHY303L Homework%208 - homework 08 – FAUSAK TAYLOR –...

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Unformatted text preview: homework 08 – FAUSAK, TAYLOR – Due: Mar 10 2008, 1:00 am 1 Question 1, chap 29, sect 2. part 1 of 1 10 points In an experiment designed to measure the strength of a uniform magnetic field produced by a set of coils, electrons are accelerated from rest through a potential difference of 342 V. The resulting electron beam travels in a circle with a radius of 6 . 66 cm. The charge on an electron is 1 . 60218 × 10- 19 C and its mass is 9 . 10939 × 10- 31 kg. Assuming the magnetic field is perpendic- ular to the beam, find the magnitude of the magnetic field. Answer in units of T. Question 2, chap 30, sect 1. part 1 of 6 10 points A particle of mass 5 . 478 × 10- 26 kg and charge of magnitude 1 . 6 × 10- 19 C is acceler- ated from rest in the plane of the page through a potential difference of 333 V between two parallel plates as shown. The particle is in- jected through a hole in the right-hand plate into a region of space containing a uniform magnetic field of magnitude 0 . 439 T oriented perpendicular to the plane of the page. The particle curves in a semicircular path and strikes a detector. q m Region of Magnetic Field B E hole What is the sign of the charge of the parti- cle? Neglect relativistic effects. 1. The charge q is negative, − . 2. The charge q is positive, + . 3. The charge q cannot be determined for information given. Question 3, chap 30, sect 1. part 2 of 6 10 points Which way does the magnetic field point? 1. to the left 2. out of the page 3. to the right 4. toward the bottom of page 5. toward the top of page 6. Cannot be determined 7. into the page Question 4, chap 30, sect 1. part 3 of 6 10 points What is the speed of the charged particle as it enters the region of the magnetic field? Answer in units of m / s. Question 5, chap 30, sect 1. part 4 of 6 10 points What is the magnitude of the force exerted on the charged particle as it enters the region of the magnetic field vector B ? Answer in units of N. Question 6, chap 30, sect 1....
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## This note was uploaded on 03/30/2010 for the course CH 369 taught by Professor Kbrowning during the Spring '07 term at University of Texas.

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PHY303L Homework%208 - homework 08 – FAUSAK TAYLOR –...

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