charged ring of radius R=3 m and total charge of Q=75 nC is placed on the xy plane as shown in the figure.  Which of the following statement(s) is/are true   I. The electric field E at point P points along the -z direction.  II. The electric potential V at point P is higher than the value at the center of the ring.  III. The charge density of the ring is 3.89 nC/m.  IV. The electric potential at point P increases with increasing R.

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter26: Electric Potential
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Problem 68PQ: Figure P26.68 shows three small spheres with identical charges of 3.00 nC placed at the vertices of...
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 charged ring of radius R=3 m and total charge of Q=75 nC is placed on the xy plane as shown in the figure.  Which of the following statement(s) is/are true   I. The electric field E at point P points along the -z direction.  II. The electric potential V at point P is higher than the value at the center of the ring.  III. The charge density of the ring is 3.89 nC/m.  IV. The electric potential at point P increases with increasing R.

A charged ring of radius R3D3 m and total charge of Q-75 nC is placed on the xy plane as shown in the figure. Which of the following statement(s) is/are true
I. The electric field E at point P points along the-z direction.
II The electric potential V at point P is higher than the value at the center of the ring.
II. The charge density of the ring is 3.89 nC/m.
IN. The electric potential at point P increases with increasing R.
4 m
R=3 m
C
O 1, Il and IV.
I and II
All statements are correct
•Il and III
O No statement is correct.
O IV only
Transcribed Image Text:A charged ring of radius R3D3 m and total charge of Q-75 nC is placed on the xy plane as shown in the figure. Which of the following statement(s) is/are true I. The electric field E at point P points along the-z direction. II The electric potential V at point P is higher than the value at the center of the ring. II. The charge density of the ring is 3.89 nC/m. IN. The electric potential at point P increases with increasing R. 4 m R=3 m C O 1, Il and IV. I and II All statements are correct •Il and III O No statement is correct. O IV only
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