A strip of invisible tape 12 cm by 2 cm is charged uniformly with a total net ch

Question

A strip of invisible tape 12 cm by 2 cm is charged uniformly with a total net charge of 4 multiplied by 10-8 coulomb and hangs vertically. You wish to determine the electric field at a perpendicular distance of 3 cm from the center of the tape. Which of the following statements are true? (Select all that apply.)

a)Using more than 8 pieces would make the calculation more accurate.
b)Using fewer pieces reduces the error.
c)It is better to use more, smaller pieces, because each piece is more like a point charge.
4)Using more than 8 pieces would not make the calculation more accurate.
5)Using 3 pieces gives a more accurate result than using 8 pieces.
6)Using 8 pieces gives a more accurate result than using 3 pieces.

Explanation / Answer

4)Using more than 8 pieces would not make the calculation more accurate. a)Using more than 8 pieces would make the calculation more accurate. c)It is better to use more, smaller pieces, because each piece is more like a point charge.

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