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1. [6pts] A narrow collimated pulse of radiation with the E-field pointing in the x-direction propagates in the -y- direction. There is an electron in location A. What is the direction of the radiative electric field detected at the observation location O? (Circle or write down the correct number from direction rosette) 2. [4pts] y 1 8. 2 3 A 5 x 9: zero magnitude A mysterious cylindrical box has been found. An investigation has shown that there is an upward pointing electric field at each point on the surface of the box, E = Eŷ, whose the magnitude E increases linearly as a function of y. Which of the following conclusions can you draw? (Circle each correct statement) (a) The box contains a net positive charge. (c) The box contains an electric dipole. (b) The box contains a net negative charge. (d) There could be no net charge in the box. (e) The box could contain some positive and some negative charges. (f) The box definitely contains some positive and some negative charge. 3. [4pts] (a) 2R2B cos(30°) (d) *R²B 30° B A hemispherical object with radius R is lying on its flat side. It is located in a part of the world where the Earth's magnetic field B = BB makes a 30 degree angle with the horizontal. Which of the following is the correct expression for the mag- netic flux through the curved top surface? (Mark the correct statement.) Note that sin(30°) = 1/2. (b) -RB cos(30°) (c) R2B cos(30°) (e) R²B/2 (f) -*R²B/2 A bar magnet is falling through a very long copper pipe at con- stant velocity. The schematic on the right shows snapshots of the process at three consecutive times. Consider the direction of the induced curly E-field and the induced current in the fixed ring-like section of the copper pipe shown in the schematic. CW SNO CCW CW Which of the graphs on the right best describes the current induced in the ring-like pipe section as the bar mag- net travels through it? !ccw 13 ccw CW CCW N SZĘ CCW A B T 13 13 Icw Icw !ccw !ccw с D cw !ccw E cw 13 Icw !ccw Icw G t

1. [6pts] A narrow collimated pulse of radiation with the E-field pointing in the x-direction propagates in the -y- direction. There is an electron in location A. What is the direction of the radiative electric field detected at the observation location O? (Circle or write down the correct number from direction rosette) 2. [4pts] y 1 8. 2 3 A 5 x 9: zero magnitude A mysterious cylindrical box has been found. An investigation has shown that there is an upward pointing electric field at each point on the surface of the box, E = Eŷ, whose the magnitude E increases linearly as a function of y. Which of the following conclusions can you draw? (Circle each correct statement) (a) The box contains a net positive charge. (c) The box contains an electric dipole. (b) The box contains a net negative charge. (d) There could be no net charge in the box. (e) The box could contain some positive and some negative charges. (f) The box definitely contains some positive and some negative charge. 3. [4pts] (a) 2R2B cos(30°) (d) *R²B 30° B A hemispherical object with radius R is lying on its flat side. It is located in a part of the world where the Earth's magnetic field B = BB makes a 30 degree angle with the horizontal. Which of the following is the correct expression for the mag- netic flux through the curved top surface? (Mark the correct statement.) Note that sin(30°) = 1/2. (b) -RB cos(30°) (c) R2B cos(30°) (e) R²B/2 (f) -*R²B/2 A bar magnet is falling through a very long copper pipe at con- stant velocity. The schematic on the right shows snapshots of the process at three consecutive times. Consider the direction of the induced curly E-field and the induced current in the fixed ring-like section of the copper pipe shown in the schematic. CW SNO CCW CW Which of the graphs on the right best describes the current induced in the ring-like pipe section as the bar mag- net travels through it? !ccw 13 ccw CW CCW N SZĘ CCW A B T 13 13 Icw Icw !ccw !ccw с D cw !ccw E cw 13 Icw !ccw Icw G t

College Physics
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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1. [6pts] A narrow collimated pulse of radiation with the E-field pointing in the x-direction propagates in the -y- direction. There is an electron in location A. What is the direction of the radiative electric field detected at the observation location O? (Circle or write down the correct number from direction rosette) 2. [4pts] y 1 8. 2 3 A 5 x 9: zero magnitude A mysterious cylindrical box has been found. An investigation has shown that there is an upward pointing electric field at each point on the surface of the box, E = Eŷ, whose the magnitude E increases linearly as a function of y. Which of the following conclusions can you draw? (Circle each correct statement) (a) The box contains a net positive charge. (c) The box contains an electric dipole. (b) The box contains a net negative charge. (d) There could be no net charge in the box. (e) The box could contain some positive and some negative charges. (f) The box definitely contains some positive and some negative charge. 3. [4pts] (a) 2R2B cos(30°) (d) *R²B 30° B A hemispherical object with radius R is lying on its flat side. It is located in a part of the world where the Earth's magnetic field B = BB makes a 30 degree angle with the horizontal. Which of the following is the correct expression for the mag- netic flux through the curved top surface? (Mark the correct statement.) Note that sin(30°) = 1/2. (b) -RB cos(30°) (c) R2B cos(30°) (e) R²B/2 (f) -*R²B/2
Transcribed Image Text:1. [6pts] A narrow collimated pulse of radiation with the E-field pointing in the x-direction propagates in the -y- direction. There is an electron in location A. What is the direction of the radiative electric field detected at the observation location O? (Circle or write down the correct number from direction rosette) 2. [4pts] y 1 8. 2 3 A 5 x 9: zero magnitude A mysterious cylindrical box has been found. An investigation has shown that there is an upward pointing electric field at each point on the surface of the box, E = Eŷ, whose the magnitude E increases linearly as a function of y. Which of the following conclusions can you draw? (Circle each correct statement) (a) The box contains a net positive charge. (c) The box contains an electric dipole. (b) The box contains a net negative charge. (d) There could be no net charge in the box. (e) The box could contain some positive and some negative charges. (f) The box definitely contains some positive and some negative charge. 3. [4pts] (a) 2R2B cos(30°) (d) *R²B 30° B A hemispherical object with radius R is lying on its flat side. It is located in a part of the world where the Earth's magnetic field B = BB makes a 30 degree angle with the horizontal. Which of the following is the correct expression for the mag- netic flux through the curved top surface? (Mark the correct statement.) Note that sin(30°) = 1/2. (b) -RB cos(30°) (c) R2B cos(30°) (e) R²B/2 (f) -*R²B/2
A bar magnet is falling through a very long copper pipe at con- stant velocity. The schematic on the right shows snapshots of the process at three consecutive times. Consider the direction of the induced curly E-field and the induced current in the fixed ring-like section of the copper pipe shown in the schematic. CW SNO CCW CW Which of the graphs on the right best describes the current induced in the ring-like pipe section as the bar mag- net travels through it? !ccw 13 ccw CW CCW N SZĘ CCW A B T 13 13 Icw Icw !ccw !ccw с D cw !ccw E cw 13 Icw !ccw Icw G t
Transcribed Image Text:A bar magnet is falling through a very long copper pipe at con- stant velocity. The schematic on the right shows snapshots of the process at three consecutive times. Consider the direction of the induced curly E-field and the induced current in the fixed ring-like section of the copper pipe shown in the schematic. CW SNO CCW CW Which of the graphs on the right best describes the current induced in the ring-like pipe section as the bar mag- net travels through it? !ccw 13 ccw CW CCW N SZĘ CCW A B T 13 13 Icw Icw !ccw !ccw с D cw !ccw E cw 13 Icw !ccw Icw G t
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