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4 A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 uC. The magnitude of the clectric field in N/C on the axis of the ring at 30.0 cm is: A) 6.64 x 10 B) 2.41 x 107 C) 6.40 x 10 D) 6.64 x 10

4 A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 uC. The magnitude of the clectric field in N/C on the axis of the ring at 30.0 cm is: A) 6.64 x 10 B) 2.41 x 107 C) 6.40 x 10 D) 6.64 x 10

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solve question 4 please 4 A uniformly charged ring of radius 10.0 cm has a total charge of 750 C The magnade of the electric field in N/C on the axis of the ring at 30.0 cm

 

A) 6.64 * 10 ^ 6

 

B) 241*10^ -

 

5.640 * 10 degrees

 

6.64 * 4P

4. A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 uC. The magnitude of the electric fleld in N/C on the axis of the ring at 30.0 cm is: A) 6.64 x 10 B) 2.41 x 107 C) 6.40 x 10 D) 6.64 x 105 S. A point charge is located at the center of a spherical surface. The total flux through the sphere is determined. Now the radius of the sphere is halved. What happened to the thux through the sphere? A) Increase B) Decrease C) Remains the same D) None is correct 6. A solid insulating sphere of radius a caries a net positive charge Q. A conducting spherical shell on inner radius b and outer e carries a net charge -5Q. The charge on the inner surface of the shell is: talatr Condosor A) Q B) -Q C) -20 D)+20 7. The charge on the outer surface is: Figure 3 A) 4Q B) -Q C) -SQ D) -4Q 8. A solid spherical insulator has radius R-2.5 cm, and carries a total positive charge 2 x 10 C distributed uniformly throughout its volume. Find the magnitude of the clectric field E at 4 cm from the origin. A. 2.88 x 10 N/C B. 2.00 x 10N/C C. 4.50 x 10 N/C D. 1.15 x 10 N/C Figure 4 9. If the result of your caleulation of a quantity has Sl units kg m2/(s2 C), that quantity could be C) an potential energy D) an electric potential A) an electrie field B) an electric force
Transcribed Image Text:4. A uniformly charged ring of radius 10.0 cm has a total charge of 75.0 uC. The magnitude of the electric fleld in N/C on the axis of the ring at 30.0 cm is: A) 6.64 x 10 B) 2.41 x 107 C) 6.40 x 10 D) 6.64 x 105 S. A point charge is located at the center of a spherical surface. The total flux through the sphere is determined. Now the radius of the sphere is halved. What happened to the thux through the sphere? A) Increase B) Decrease C) Remains the same D) None is correct 6. A solid insulating sphere of radius a caries a net positive charge Q. A conducting spherical shell on inner radius b and outer e carries a net charge -5Q. The charge on the inner surface of the shell is: talatr Condosor A) Q B) -Q C) -20 D)+20 7. The charge on the outer surface is: Figure 3 A) 4Q B) -Q C) -SQ D) -4Q 8. A solid spherical insulator has radius R-2.5 cm, and carries a total positive charge 2 x 10 C distributed uniformly throughout its volume. Find the magnitude of the clectric field E at 4 cm from the origin. A. 2.88 x 10 N/C B. 2.00 x 10N/C C. 4.50 x 10 N/C D. 1.15 x 10 N/C Figure 4 9. If the result of your caleulation of a quantity has Sl units kg m2/(s2 C), that quantity could be C) an potential energy D) an electric potential A) an electrie field B) an electric force
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