Question: A conducting loop moves through a magnetic field at constant velocity as shown in Figure 29.23. For each case (a-e), must the work done on

A conducting loop moves through a magnetic field at constant velocity as shown in Figure 29.23. For each case $a-e$, must the work done on the loop be positive, negative, or zero to keep the loop moving?

Figure 29.23 (a) (b) X X X X X X X x

Figure 29.23 (a) (b) X X X X X X X x ((c)x X X (d), (e) x X X X X X XX x

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