Physics, 26.02.2020 06:03 rodrickahammonds
A wire of resistivity ? must be replaced in a circuit by a wire four times as long. If, however, the
total resistance is to remain as before, the diameter of the new wire must
A) be two times smaller.
B) be four times larger.
C) remain unchanged.
D) be four times smaller.
E) be two times larger.
Answers: 3
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A wire of resistivity ? must be replaced in a circuit by a wire four times as long. If, however, the...
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