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A uniformly charged insulating rod of length 20.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 μC C. (a) Find the magnitude of the electric field (in N/C) at O, the center of the semicircle. N/C (b) Find the direction of the electric field at O, the center of the semicircle. O to the left O to the right Ⓒupward downward into the page out of the page (c) What if? What would be the magnitude of the electric field (in N/C) at O if the top half of the semicircle carried a total charge of -7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? N/C (d) What would be the direction of the electric field at O if the top half of the semicircle carried a total charge of -7.50 μC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? O to the left to the right Oupward Odownward into the page O out of the page

A uniformly charged insulating rod of length 20.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 μC C. (a) Find the magnitude of the electric field (in N/C) at O, the center of the semicircle. N/C (b) Find the direction of the electric field at O, the center of the semicircle. O to the left O to the right Ⓒupward downward into the page out of the page (c) What if? What would be the magnitude of the electric field (in N/C) at O if the top half of the semicircle carried a total charge of -7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? N/C (d) What would be the direction of the electric field at O if the top half of the semicircle carried a total charge of -7.50 μC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? O to the left to the right Oupward Odownward into the page O out of the page

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A uniformly charged insulating rod of length 20.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 μC. ( (a) Find the magnitude of the electric field (in N/C) at O, the center of the semicircle. N/C (b) Find the direction of the electric field at O, the center of the semicircle. O to the left O to the right Ⓒupward downward into the page out of the page (c) What if? What would be the magnitude of the electric field (in N/C) at O if the top half of the semicircle carried a total charge of -7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? N/C (d) What would be the direction of the electric field at O if the top half of the semicircle carried a total charge of -7.50 μC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? O to the left to the right Oupward Odownward into the page O out of the page
Transcribed Image Text:A uniformly charged insulating rod of length 20.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.50 μC. ( (a) Find the magnitude of the electric field (in N/C) at O, the center of the semicircle. N/C (b) Find the direction of the electric field at O, the center of the semicircle. O to the left O to the right Ⓒupward downward into the page out of the page (c) What if? What would be the magnitude of the electric field (in N/C) at O if the top half of the semicircle carried a total charge of -7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? N/C (d) What would be the direction of the electric field at O if the top half of the semicircle carried a total charge of -7.50 μC and the bottom half, insulated from the top half, carried a total charge of +7.50 pc? O to the left to the right Oupward Odownward into the page O out of the page
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