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Consider the circuit made of a R = 100 resistor, voltage source V , and fuse F. The fuse breaks if the instantaneous current in the circuit reaches 1 A. Which of the following voltage sources can be used in the circuit without breaking the fuse? Mark all possible choices.

A. 120 V direct current. B. 80 V direct current. C. 120 V alternating current (standard U.S. line). D. 80 V alternating current.

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