The Charge Inside a Conductor (Figure 1) A spherical cavity is hollowed out of the interior...
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The Charge Inside a Conductor (Figure 1) A spherical cavity is hollowed out of the interior of a neutral conducting sphere. At the center of the cavity is a point charge, of positive charge q. Figure 1 of 1 +9 Part A What is the total surface charge 9int on the interior surface of the conductor (i.e., on the wall of the cavity)? ▸ Hints Fint -9 Submit Correct Part B What is the total surface charge dext on the exterior surface of the conductor? ▸ Hints Text +9 Submit My Answers Give Up Correct My Answers Give Up Part C What is the magnitude Eint of the electric field inside the cavity as a function of the distance from the point charge? Let &, as usual, denote 1 4nco What is the magnitude Eint of the electric field inside the cavity as a function of the distance from the point charge? Let k, as usual, denote 4π€0 ▸ Hints • 0 kq/r² Ⓒ2kq/r² Submit Correct Part D What is the electric field Eext outside the conductor? ► Hints zero My Answers Give Up the same as the field produced by a point charge q located at the center of the sphere the same as the field produced by a point charge located at the position of the charge in the cavity Submit My Answers Give Up Correct Now a second charge, 92, is brought near the outside of the conductor. Which of the following quantities would change? Part E The total surface charge on the wall of the cavity, int ▸ Hints would change would not change Submit Correct My Answers Give Up Part F The total surface charge on the exterior of the conductor, Text: ▸ Hints would change would not change Submit My Answers Give Up Part F The total surface charge on the exterior of the conductor, 9ext: ▸ Hints would change would not change Submit Correct Part G My Answers Give Up The electric field within the cavity, Ecav: would change would not change Submit My Answers Give Up Part H The electric field outside the conductor, Eext: would change would not change The Charge Inside a Conductor (Figure 1) A spherical cavity is hollowed out of the interior of a neutral conducting sphere. At the center of the cavity is a point charge, of positive charge q. Figure 1 of 1 +9 Part A What is the total surface charge 9int on the interior surface of the conductor (i.e., on the wall of the cavity)? ▸ Hints Fint -9 Submit Correct Part B What is the total surface charge dext on the exterior surface of the conductor? ▸ Hints Text +9 Submit My Answers Give Up Correct My Answers Give Up Part C What is the magnitude Eint of the electric field inside the cavity as a function of the distance from the point charge? Let &, as usual, denote 1 4nco What is the magnitude Eint of the electric field inside the cavity as a function of the distance from the point charge? Let k, as usual, denote 4π€0 ▸ Hints • 0 kq/r² Ⓒ2kq/r² Submit Correct Part D What is the electric field Eext outside the conductor? ► Hints zero My Answers Give Up the same as the field produced by a point charge q located at the center of the sphere the same as the field produced by a point charge located at the position of the charge in the cavity Submit My Answers Give Up Correct Now a second charge, 92, is brought near the outside of the conductor. Which of the following quantities would change? Part E The total surface charge on the wall of the cavity, int ▸ Hints would change would not change Submit Correct My Answers Give Up Part F The total surface charge on the exterior of the conductor, Text: ▸ Hints would change would not change Submit My Answers Give Up Part F The total surface charge on the exterior of the conductor, 9ext: ▸ Hints would change would not change Submit Correct Part G My Answers Give Up The electric field within the cavity, Ecav: would change would not change Submit My Answers Give Up Part H The electric field outside the conductor, Eext: would change would not change
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G The electric field within the cavity is only due to the charge inside the c... View the full answer
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