A wire of diameter 0.750 mm and length 35.0 m has a measured resistance of 1.40 Ω. What is the resistivity of the wire? Ω · m
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A wire of diameter 0.750 mm and length 35.0 m has a measured resistance of 1.40 Ω. What is the resistivity of the wire?
Ω · m
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- The given diagram depicts a gold wire and a silver wire that are soldered together and have the same length of 60.0 cm. Both wires have a diameter of 2.00 mm. Compute the equivalent resistance of the combination between the free ends A and B. 40.0 cm A Gold wire (60.0 cm length, diameter 2.00 mm) Silver wire (60.0 cm length, diameter 2.00 mm) BA wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 mΩ. A potential difference of 26.6 V is applied between the ends. What is the magnitude of the current density? Current in the wire is 1291.26 A Answer isnt 11284400, 3547400000,The battery voltage is V = 80.6 V. The resistances are R1 = 123 Ohms; R2 = 114 Ohms; R3 = 139 Ohms; R4 = 159 Ohms; R5 = 56 Ohms; and R6 = 199 Ohms. How much power flows through resistor R6? 0.657 W 1.642 W 1.314 W 2.463 W
- A metal wire has a length of 55.0 m and a diameter of 0.550 mm. The entire length of wire has a resistance of 1.80 resistivity (in Q : m) of the metal. Ω. mNerve impulses are carried along axons, the elongated fibers that transmit neural signals. We can model an axon as a tube with an inner diameter of 10 μm. The tube wall is insulated, but the fluid inside it has a resistivity of 0.50 Ω⋅m. What is the resistance of a 5.0-mm-long axon?Consider the following circuit diagram. The potential difference across the battery is 40.0 volts, and it supplies a current of 5.00 amperes to the circuit. There is a current of of 2.70 amperes flowing through R1. Resistor R2 has a resistance of 5.50 ohms. What is the resistance of R3? Answer in ohms to two decimal places, but do not include units in your answer.
- The resistivity of blood is related to its hematocrit, the volume fraction of red blood cells in the blood. A commonly used equation relating the hematocrit h the blood resistivity ρ (in Ω⋅m) is ρ=1.32/(1−h)−0.79. In one experiment, blood filled a graduated cylinder with an inner diameter of 0.90 cm. The resistance of the blood between the 1.0 cm and 2.0 cm marks of the cylinder was measured to be 210 Ω. What was the hematocrit for this blood?You have a 100 meter long hollow square copper wire that has a side length of 5mm. The diameter of the cylindrical interior is 3.5 mm. If copper had a resistivity of (1.7x10^(-8)Ωm, what is the resistance of the wire? The units for the options are Ω. a.0.022 b. 0.068 c.0.11 d. 0.18 E.0.24