# resistivity of wire depend on?

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resistivity of wire depend on?

Resitivity of wire depends on material, electrical resistance of that material, area of cross section and length.

## Related questions

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Description : 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

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Description : 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

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Description : Problem on resistance and resistivity 13

Last Answer : Problem on resistance and resistivity 13

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Description : Problem on resistance and resistivity 12

Last Answer : Problem on resistance and resistivity 12

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Last Answer : Problem on resistance and resistivity 11

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Last Answer : Problem on resistance and resistivity 10

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Last Answer : Problem on resistance and resistivity 9

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Last Answer : Problem on resistance and resistivity 8

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Description : Problem on resistance and resistivity 7

Last Answer : Problem on resistance and resistivity 7

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Last Answer : Problem on resistance and resistivity 6

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Last Answer : Problem on resistance and resistivity 5

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Last Answer : Problem on resistance and resistivity 4

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Last Answer : Problem on resistance and resistivity 3

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Description : Problem on resistance and resistivity 2

Last Answer : Problem on resistance and resistivity 2

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Description : Problem on resistance and resistivity 1

Last Answer : Problem on resistance and resistivity 1

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Description : Which material has low resistivity?

Last Answer : Silver have lowest resistivity then copper then aluminium tungsten then iron...

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Description : What factors affect resistivity?

Last Answer : 1)type of material 2)temperature 3)length and area of cross section of conductor

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Description : 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.

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Description : What is the reciprocal of resistivity?

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Description : 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.

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Description : A wire with a resistance of 6.0Ω is drawn out so that its new length is three times its original length. Find the resistance of longer wire assuming that its resistivity and density of meterial are not changing during the process.

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Description : The resistivity of the material of a wire is 4 x 10-5 ohm-cm. If the resistance of the wire is 13 ohm and its diameter is 1 mm. Calculate the length of the wire.

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Description : An iron wire 2 km long and a copper wire 3 km long are connected in parallel across a source of voltage 200 V. Both wires carry the same current. The diameter of copper wire is 1 mm and its temperature is ... copper and iron is 1.7 x 10-8 and 10-7 Ωm . Neglect the thermal conductivity of the wires.

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Description : The length of a wire is doubled and current through it is increased by a factor of 3/2 without any charge of temperature. The resistivity of the material of the wire (1) remains same (2) increase by a factor of 3 (3) decrease by a factor of 3 (4) increase by a factor of 2

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Description : Two wires, made of tinned copper, having identical cross section and different lengths, are used as fuses. Then (1) Two wires fuses will melt at different values of the current. (2) Two wire fuses ... (4) Two wires fuses will only melt at the same value of current if they have same resistivity

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Description : When 5V potential difference is applied across a wire of length 0.1m, the drift speed of electrons 2.5 x 10-4 ms-1. If the electron density of the wire is 8 x 1028 m-3, the resistivity of the materials is close to (1) 1.6 x 10-6 Ωm (2) 1.6 x 10-5 Ωm (3) 1.6 x 10-8 Ωm (4) 1.6 x 10-7 Ωm

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Description : A potentiometer wire AB is of length 100 cm, with C as its middle point. The part AC is made of a uniform wire of a material of resistivity ρ1 . The diameter of this part is d1 . The part CB is made of another uniform wire of a ... cm. The ratio E1 /E2 is equal to (1) 2/7 (2) 4/5 (3) 40/65 (4) 4/9

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Description : 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.

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Description : 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)`.

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Description : A rheostat has 100 turns of a wire of radius 0.4 mm having resistivity `4.2xx10^(-7) Omega`m. The diameter of each turn is 3 cm. What is the maximum v

Last Answer : A rheostat has 100 turns of a wire of radius 0.4 mm having resistivity `4.2xx10^(-7) ... the maximum value of resistance that it can introduce ?

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Description : A wire of resistance `10 Omega` is drawn out so that its length is thrice its original length. Calculate its new resistance (resistivity and density o

Last Answer : A wire of resistance `10 Omega` is drawn out so that its length is thrice its original ... (resistivity and density of the material remain uncharged).

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Description : Calculate the electric field in a copper wire of cross-sectional area `2.0 mm^(2)` carrying a current of 1 A. The resistivity of copper `=1.7xx10^(-8)

Last Answer : Calculate the electric field in a copper wire of cross-sectional area `2.0 mm^(2)` carrying a current ... of copper `=1.7xx10^(-8) Omega`m.

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Description : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is `15xx10^(-6) Omega` m. If a potential difference o

Last Answer : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is ` ... wire, what will be the current in the wire ?

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Description : The resistance of a conductivity wire of length 1.1 m and of diameter 0.14 mm is `30 Omega`. Calculate its resistivity.

Last Answer : The resistance of a conductivity wire of length 1.1 m and of diameter 0.14 mm is `30 Omega`. Calculate its resistivity.

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Description : A wire of 50 cm long, `1mm^(2)` in cross-section carries a current of 4 A, when connected to a 2 V battery, the resistivity of wire is

Last Answer : A wire of 50 cm long, `1mm^(2)` in cross-section carries a current of 4 A, when connected to a 2 V ... `4xx10^(-6)Omega-m` D. `1xx10^(-6)Omega-m`

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Description : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)`. If 0.2 A current is flowing throug

Last Answer : The resistivity of a potentiometer wire is `40xx10^(-8)Omega-m` and its area of cross section is `8xx10^(-6)m^(2)` ... . `3.2xx10^(-2)V//m` D. `1V//m`

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Description : The material used for a fuse wire should have (a) high resistivity (b) high ductility (c) high melting point (d) low melting point

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Description : Nichrome wire is used as a heating element I many appliances because (a) it can be drawn out into wires easily (b) it has high resistivity (c) it resists oxidation in air when red hot (d) both (b) and (c) are correct

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Description : A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part a. remains the same b. is doubled c. is halved d. becomes zero

Last Answer : a. remains the same

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Description : On what does the resistance of conductive wire depend ?

Last Answer : Depending on the area of the cross section

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Description : How does the resistance of a wire depend on its dimensions?

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Description : Specific resistance of a wire a. will depend on its length b. will depend on its radius c. will depend on the type of material of the wire d. will depend on none of the above

Last Answer : c. will depend on the type of material of the wire

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Description : The spring constant of a helical compression spring does not depend on a. Coil diameter b. Material strength c. Number of active turns d. wire diameter

Last Answer : b. Material strength

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Description : 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.

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Description : 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

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Description : 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

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Description : 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

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Description : 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

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Description : 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.