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A cylindrical wire has a resistance r and resistivity p if its length and diameter are...
It has a wire that is 3mm in diameter and 150m in length. Its resistance is 3Ω at 20 ºC. The resistivity of the wire.
The resistance formula is = / where is the resistivity, L the length and A the area. What is the length (in m) of the resistance of a cylindrical wire with the following dimensions: = 0.05 Ω.cm, R = 20 k Ω , diameter = 16 mm?
A Si wire of diameter 2μm and length 200 micrometers has a resistance of 1000 ohms. Determine the resistivity of that Si in terms of ohm-cm. Suppose you make the same wire using copper, what should be its resistance?
A wire of length L and cross-sectional area A has resistance R. What will be the resistance Rstretched of the wire if it is stretched to twice its original length? Assume that the density and resistivity of the material do not change when the wire is stretched.
A 16.50 ?? long wire has a diameter of 0.355 ?? and a resistivity of7.65 ? 10,- Ω ??. ( a ) Calculate its resistance (b) If a 3.85 ???? battery is connected to the wire, what current exists in the circuit? I changed those three values to meters as below, what do I do next please Length = 0.165 m Diameter = 0.000355 m Resistivity = 7.65 * 10^-9 Ω m
A cylindrical tungsten wire is 88cm long and has a resistance of 0.12 ohms. Resistivity is 5.6 x 10^-8. The wire is connected between the terminals of 0.50V battery which drives a current through the wire A) what or the radius B) what is the current being driven by battery
A wire of diameter 0.750 mm and length 45.0 m has a measured resistance of 1.20 Ω. What is the resistivity of the wire?
A wire has resistivity p, its LENGTH I DOUBLED and its AREA OF CROSS SECTION IS HALVED. What will be the new value of resistivity of the wire? A 1 ON 21 Select one: O a. p/2 ob.p C. 4p O d. 2p
A cylindrical copper rod has resistance R. If it is cut to half of its original lenth, its new resistance is:
A wire whose resistivity, p=4.92 x 10-8 Ωm has a length L = 26 m and a diameter of d = 6.1 x 10-4 m. What is the resistance of this wire in ohms, a? Please round your answer to one decimal place.