Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 19.4, Problem 2bTH
A large metal sphere with zero net charge is now placed to the left of point A as shown.
i. Sketch the charge distribution on the metal sphere in the diagram at right.
ii. Has the magnitude of the electric field at the following points increased, decreased or remained the same? Explain.
• point B
• point C
iii. Has the direction of the electric field at the following points changed? Explain.
• point B
•point C
iv. Has the absolute value of the electric potential difference
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Electrical Potential Due to a Point Charge• Explain point charges and express the equation for electric potential of a point charge.• Distinguish between electric potential and electric field.• Determine the electric potential of a point charge given charge and distance.
A uniform electric field is produced which can be represented by E
= (20, 000 à - 50, 000 ) V/m.
Part A
What is the potential difference between = -5 cm and y, = 5 cm in this uniform electric field?
• View Available Hint(s)
AV = 5000 y
Submit
Previous Answers
Correct
Part B
What is the potential difference between (0 cm, 2 cm ) and ( 6 em, -3 cm )?
?
AV = 3700
V
Submit
Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Question 15
Two stationary positive point charges, charge 1 of
magnitude 3.15 nC and charge 2 of magnitude 1.65 nC
, are separated by a distance of 31.0 cm . An electron is
released from rest at the point midway between the two
charges, and it moves along the line connecting the two
charges.
Part A
What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
Express your answer in meters per second.
• View Available Hint(s)
ΑΣφ
Vfinal
m/s
Submit
Chapter 19 Solutions
Tutorials in Introductory Physics
Ch. 19.1 - Draw a separate free-body diagram for each ball....Ch. 19.1 - Suppose the charge on the second ball is reduced...Ch. 19.1 - Predict what will happen if the net charge on ball...Ch. 19.1 - How does Coulomb’s law apply to situations in...Ch. 19.1 - In cases A and B shown at right there are two...Ch. 19.1 - In case C, two positive point charges +2Q are each...Ch. 19.1 - In case E a positive point charge with +Q is a...Ch. 19.1 - Is the magnitude of FPgreater than, less than, or...Ch. 19.1 - Is the magnitude of the net force on +qgreater...Ch. 19.1 - A second negative point charge Q is placed as...
Ch. 19.1 - A thin semicircular rod like the one in problem 4...Ch. 19.1 - Sketch the charge distribution on the rod.Ch. 19.1 - Is there a non-zero net electric force on the rod?...Ch. 19.1 - Is there a non-zero net electric force on the...Ch. 19.1 - State whether the magnitude of the net electric...Ch. 19.2 - Prob. 1aTHCh. 19.2 - Consider an imaginary surface in a uniform...Ch. 19.2 - Write an expression for the net electric flux net...Ch. 19.2 - Prob. 2aTHCh. 19.2 - Prob. 2bTHCh. 19.2 - Consider the surface element A itself as composed...Ch. 19.2 - Consider the left side of the box as Consisting of...Ch. 19.2 - The loop is held to the right of a positive point...Ch. 19.2 - Prob. 3bTHCh. 19.2 - Suppose that the new charge located to the right...Ch. 19.3 - Prob. 1aTHCh. 19.3 - Prob. 1bTHCh. 19.3 - Suppose that the curved portion of the Gaussian...Ch. 19.3 - A Second point charge +q is placed to the right of...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch a vector at each of points AD to represent...Ch. 19.3 - Sketch the net electric field at each of points...Ch. 19.3 - Calculate the magnitude of the electric field at...Ch. 19.4 - A small test charge qo travels from point X to...Ch. 19.4 - Prob. 1bTHCh. 19.4 - Points B and C are a distance ro away from the...Ch. 19.4 - A large metal sphere with zero net charge is now...Ch. 19.4 - Draw arrows on the diagram to indicate the...Ch. 19.4 - A positively charged test particle moves from...Ch. 19.4 - A positively charged test particle moves from A to...Ch. 19.4 - Find the magnitude and direction of the electric...Ch. 19.4 - A particle of mass mo and charge qo is released...Ch. 19.5 - The Surface area of the face of each plate is AI ....Ch. 19.5 - A new capacitor is formed by attaching two...Ch. 19.5 - Find the charge density on the plates. Explain.Ch. 19.5 - Find the electric potential difference between the...Ch. 19.5 - Show that the capacitance of the enlarged plates...
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