You want to use a metal bar as a resistor. Its dimensions are 2 by 4 by 10 units. To get the largest resistance from this bar, you should attach leads to the two opposite sides that have the dimensions of
A) 2 by 4 units.
B) 2 by 10 units.
C) 4 by 10 units.
D) any number of units because all connections give the same resistance.
E) None of these is correct.
Correct Answer:
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