4. Two wires are made of the same material and have the same length. Wire A has a circular cross- section and wire B has
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4. Two wires are made of the same material and have the same length. Wire A has a circular cross- section and wire B has
4. Two wires are made of the same material and have the same length. Wire A has a circular cross- section and wire B has a square cross-section. If you measure the width of each wire to be the same size, which wire has a larger resistance (or are they the same)? Explain your answer.
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