Find out the resistance of the second wire

Reference no: EM1346094

Q. A wire 2.00 m long and 1.00 mm in diameter has a resistance of 0.500 Ω. A second wire 4.00 m long and 2.00 mm in diameter has twice the resistivity of the first wire. Find the resistance of the second wire.

Q. What is least important in returning blood to the heart? Negative intrathoracic pressure, valves and veins, the pumping action of skeletal muscles, or the pushing of blood by the arterial system.

Reference no: EM1346094

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