Now consider that the same charge Q is moved by an external agent from B to A al

Question

Now consider that the same charge Q is moved by an external agent from B to A along the semicircular path as shown. Compare the work required to take this path as opposed to going in a straight line? Explain.

More work. Since work is force times distance and the distance is greater along the arc than the straight line, the work is greater.

Less work. Any path taken along a circle requires less work than any other path.

The same work. Work is independent of the path taken.

Not enough information is given to determine this.

More work. Since work is force times distance and the distance is greater along the arc than the straight line, the work is greater.

Less work. Any path taken along a circle requires less work than any other path.

The same work. Work is independent of the path taken.

Not enough information is given to determine this.

Now consider that the same charge Q is moved by an external agent from B to A along the semicircular path as shown. Compare the work required to take this path as opposed to going in a straight line? Explain. More work. Since work is force times distance and the distance is greater along the arc than the straight line, the work is greater. Less work. Any path taken along a circle requires less work than any other path. The same work. Work is independent of the path taken. Not enough information is given to determine this.

Explanation / Answer

The same work. Work is independent of the path taken.

The same work. Work is independent of the path taken.

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