# Which material has low resistivity?

Which material has low resistivity?

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Silver have lowest resistivity then copper then aluminium tungsten then iron...

## Related Questions

Define resistivity. State its unit.
Last Answer : Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. Its unit is ohm/meter Problems on resistance and resistivity
Last Answer : Problem on resistance and resistivity 1 : https://youtu.be/OqavD7OlZUs Problem on resistance and resistivity 2 : https://youtu.be/0eo8VO8cpwk Problem on resistance and resistivity 3 : https:// ... https://youtu.be/3neLRCTz0RQ Problem on resistance and resistivity 13 : https://youtu.be/vBCkvPOiztY Problem on resistance and resistivity 13
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Last Answer : Problem on resistance and resistivity 1 What factors affect resistivity?
Last Answer : 1)type of material 2)temperature 3)length and area of cross section of conductor What is the formula for resistivity?
Last Answer : Resitivity is the property of a material. It is given in ρ . R=ρ L/A is the formula. where , Resitance is directly proportional to Length & Inversely proportional to Area of ... the resistance offered by a conductor to the flow of current is called specific resistance or resistivity. What is the reciprocal of resistivity? resistivity of wire depend on?
Last Answer : Resitivity of wire depends on material, electrical resistance of that material, area of cross section and length. The material used for a fuse wire should have (a) high resistivity (b) high ductility (c) high melting point (d) low melting point Dielectric (A) Is an electrical insulating material (B) Of low resistivity is preferred (C) Should have high thermal conductivity (D) Need not defy the corrosive action of chemicals
Last Answer : (A) Is an electrical insulating material The insulating material should have (a) low permittivity (b) high resistivity (c) high dielectric strength (d) all of the above
Last Answer : (d) all of the above The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron. Define – resistance and resistivity. State relationship between them. Give one material having high resistivity.
Last Answer : Ans: Resistance and Resistivity: Resistance: It is the opposition offered by the conductor to the flow of current. Resistivity: It is property of the substance by virtue of which it opposes to ... high resistivity: Mica, Nichrom, Rubber, Glass, Plastic Porcelain, Dry wood, Insulating material etc. The resistivity of a semiconductor material increases as : (A) The temperature increases (B) The temperature decreases (C) The temperature remains constant (D) None of the above Which material is having highest resistivity in ohm-metre at 20oC X10-8? A. Mercury B. Iron C. Tungsten D. Silver
Last Answer : Mercury material is having highest resistivity in ohm-metre at 20oC X10-8 Materials, whose resistivity at very low temperatures plunges from a finite value to zero and remains there upon further cooling, are known as
Last Answer : Materials, whose resistivity at very low temperatures plunges from a finite value to zero and remains there upon further cooling, are known as Superconductors What is specific resistance or resistivity of the material?
Last Answer : Specific resistance of the material is the resistance of a piece of unit length and unit cross-section (unit cube of that material). That is the resistance between the opposite faces of unit cube of the material. ... face of that material. The unit of specific resistance is Ω/cm3 , Ω/inch3 , Ω/m3 . Calculate the conduction current density when the resistivity of a material with an electric field of 5 units is 4.5 units. a) 22.5 b) 4.5/5 c) 5/4.5 d) 9.5 Calculate the conduction density of a material with resistivity of 0.02 units and electric intensity of 12 units. a) 300 b) 600 c) 50 d) 120 A material with zero resistivity is said to have a) Zero conductance b) Infinite conductance c) Zero resistance d) Infinite resistance
Last Answer : c) Zero resistance Find the resistivity of a material having resistance 20kohm, area 2 units and length of 12m. a) 6666.6 b) 3333.3 c) 1200 d) 2000 Find the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100 The resistivity of a material with resistance 200 ohm, length 10m and area twice that of the length is a) 200 b) 300 c) 400 d) 500 Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome. Coke used for the production of calcium carbide should have (A) Low ash content (B) Low ignition temperature (C) High electrical resistivity (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C) Gold and silver are (A) dielectric materials (B) low resistivity conducting materials. (C) magnetic materials. (D) insulating materials.
Last Answer : (B) low resistivity conducting materials. Last Answer : Low resistivity materials are used in transformer, motor and generator windings, transmission and distribution lines, house wiring. What is the correct sequence of the following materials in ascending order of their resistivity ?  1. Iron  2. Silver  3. Constantan  4. Mica  5. Aluminium  Select the correct answer using the codes given below :  (a) 2, 5, 1, 3 ... 5, 3, 1 and 2  (c) 2, 3, 1, 5 and 4  (d) 4, 5, 1, 3 and 2
Last Answer : What is the correct sequence of the following materials in ascending order of their resistivity ?  1. Iron  2. Silver  3. Constantan  4. Mica  5. Aluminium  Select the correct answer using the codes given below :  ... 1 and 2  (c) 2, 3, 1, 5 and 4  (d) 4, 5, 1, 3 and 2 The resistance of a strip of copper of rectangular cross-section is 2Ω. A metal of resistivity twice that of copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be
Last Answer : The resistance of a strip of copper of rectangular cross-section is 2Ω. A metal of resistivity twice that of copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 4/3Ω. Resistivity is usually expressed in terms of Resistivity of saline at various frequencies?
Last Answer : Because you are dealing with more than simple dc theory. Resistance (impedance to be more correct) of an rlc circuit changes with frequency. You will need to correct the impedance for the frequency You are using. ... It won't be perfect but it should give you an idea. That's a quick and dirty way. What length of an alloy wire of resistivity 5.0x10^-7 Ωm and diameter 0.50mm is required to make a standard 6.0Ω resistor?
Last Answer : Interesting homework question. I’m not knowledgeable about physics, but putting myself in the shoes of someone who is.. Why don’t you post the answer that you got, and show your work, and ask us where you went wrong on the problem. If the temperature of a semiconductor rises, what is its resistivity? -General Knowledge If the temperature of a semiconductor rises, what is its resistivity? -General Knowledge Resistance of a metal rod does not depend on which of the following ? 1) ... resistivity 2) density 3). Length 4), warmth ..... Explain it in a little details ?
Last Answer : Answer : On its density. Because it depends on how close or how far the atom must be seen. The resistivity of indium arsenide arsenide is `rho=2.5 xx10^(-3) Omega m` and its Hall constant is `C_(H)=10^(-2) m^(3)//c`. Find the concentration a
Last Answer : The resistivity of indium arsenide arsenide is `rho=2.5 xx10^(-3) Omega m` and its Hall ... and mobility of the charge carriers in this material. Find the time of relaxation between collsion and free path of electrons in copper at room temperature. Given resistivity of copper`=1.7xx10^(-8) Omega
Last Answer : Find the time of relaxation between collsion and free path of electrons in copper at room temperature. Given ... electrons`=1.6xx10^(-4) ms^(-1)` Given that resistivity of copper is `1.68xx10^(-8) Omega`m. Calculate the amount of copper required to draw a wire 10 km long having resistance of `10
Last Answer : Given that resistivity of copper is `1.68xx10^(-8) Omega`m. Calculate the amount of copper required to draw a ... copper is `8.9xx10^(3) kg m^(-3)`. 