hw12 - Version 001 – HW12 – gavrin –(25111 1 This...

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Unformatted text preview: Version 001 – HW12 – gavrin – (25111) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. Electron in a Magnetic Field 001 10.0 points An electron in a vacuum is first accelerated by a voltage of 1 . 019 × 10 5 V and then enters a region in which there is a uniform magnetic field of 0 . 136 T at right angles to the direction of the electron’s motion. The mass of the electron is 9 . 11 × 10 − 31 kg and its charge is 1 . 60218 × 10 − 19 C. What is the magnitude of the force on the electron due to the magnetic field? Correct answer: N. Circular Orbit of a Proton 002 10.0 points What is the radius of the smallest possible cir- cular orbit that a proton with energy 2 . 6 MeV can have in a 3 T magnetic field? The mass of a proton is 1 . 67 × 10 − 27 kg and its charge is 1 . 609 × 10 − 19 C....
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This note was uploaded on 04/11/2011 for the course PHYS 251 taught by Professor Rader during the Spring '08 term at IUPUI.

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hw12 - Version 001 – HW12 – gavrin –(25111 1 This...

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