Zero work in moving a charge between points at the same potential

1. A.
   Zero
2. B.
   5
3. C.
   2
4. D.
   20

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1. A.
   work is done on the charge.
2. B.
   work is done by the charge.
3. C.
   work done on the charge is constantly increasing.
4. D.
   work done to move a charge is zero.

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1. A.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r^2}$
2. B.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r^2}\cdot\frac{\pi}{6}$
3. C.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r}$
4. D.
   zero

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1. A.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r^2}$
2. B.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r}\times\frac{\pi}{6}$
3. C.
   $\frac{1}{4\pi\varepsilon_0}\frac{Qq}{r}$
4. D.
   Zero

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1. A.
   work done on the charge continuously increases.
2. B.
   work is done by the charge.
3. C.
   work done on the charge is constant.
4. D.
   no work is done.

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1. A.
   zero
2. B.
   $5$ J
3. C.
   $2$ J
4. D.
   $20$ J

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