Working electron. An electron with charge -|e| and mass me is launched with an initial velocity vî — vyĵ + v₂k to the uniform magnetic field Bî. What is the work done by the magnetic field on the electron? A. zero 1 B. —⁄me (v² + v²) 1 C. • zme (v² + v² + v²) 1 D.mv²/ Ꭰ Cylinder. A closed cylindrical surface has radius R and height H. What is the magnetic flux through the curved portion of the cylinder if a uniform magnetic field of strength Bo is oriented 30° relative to the cylinder's axis?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter26: Electromagnetism
Section26.1: Interactions Of Electric And Manetic Fields And Matter
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1. Working electron. An electron with charge -|e| and mass me is launched with an initial
velocity vî - vyî + v₂k to the uniform magnetic field Bî. What is the work done by the
magnetic field on the electron?
A. zero
B.
1
me
me (v² + v²)
2. Cylinder. A closed cylindrical surface has radius R and height H. What is the magnetic
flux through the curved portion of the cylinder if a uniform magnetic field of strength Bo
is oriented 30° relative to the cylinder's axis?
A. zero
√√3
B.
C. /me (v² + v² + v²)
1
D. mv²/
TRB
C.
2" R² Bo
D. TR² Bo
Transcribed Image Text:1. Working electron. An electron with charge -|e| and mass me is launched with an initial velocity vî - vyî + v₂k to the uniform magnetic field Bî. What is the work done by the magnetic field on the electron? A. zero B. 1 me me (v² + v²) 2. Cylinder. A closed cylindrical surface has radius R and height H. What is the magnetic flux through the curved portion of the cylinder if a uniform magnetic field of strength Bo is oriented 30° relative to the cylinder's axis? A. zero √√3 B. C. /me (v² + v² + v²) 1 D. mv²/ TRB C. 2" R² Bo D. TR² Bo
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