An iron wire has a diameter 0.85 mm and resistivity 9.71x 10-8 Qm. What will be the length of this wire to make a resistance of 900. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in )N =

Q: A copper wire has a diameter 0.9 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this…

A: Given,Diameter of the copper wire, d = 0.9 mmResistance of the wire, R = 15Ω resistivity of copper…

Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 108…

A:

Q: A 1.3-m long copper wire (resistivity 1.68x108 Q-m) has a resistance of 7 Q. What is the diameter…

A:

Q: What is the resistance (in units of a) of a wire made of a material with a resistivity of 3.2 x 100.…

A: RESISTANCE

Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 38.8 Q at 20.0°C. If…

A: Find the temperature coefficient of resistivity. R=R01+αT-T0RR0=1+αT-T0RR0-1=αT-T0α=RR0-1T-T0

Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x 10-8…

A: It is given that ρ=3.2×10-8 Ω.ml=46.5 md=0.5 mm=0.5×10-3 m

Q: A copper wire of length 2.5 m and cross-sectional area 2.4 x 10-7 m2 has a resistivity of 1.7 x 10-8…

A: Formula of resistance of wire is as follows: R=ρLA…

Q: Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a…

A: Given data:   Resistance of aluminium wire (RAl) = 0.344 Ω The resistivity of copper(ρcu) = 1.72 x…

Q: When 100.0 V is applied across a 5-gauge (diameter 4.621 mm) wire that is 10 m long, the magnitude…

A: Given: Find  the resistivity of the wire Now,

Q: A copper wire has diameter 0.5 mm and resistivity of 1.6 × 10-8 Ω m. What will be the length of this…

A:

Q: A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional…

A: When a metallic wire is stretched, its length increases, cross sectional area decreases and volume…

Q: A wire with resistivity 1.8 x 10-7 Ω m has a resistance of 0.45 Ω and a length of 2.0 m. What is the…

A: Given data: The given resistivity of wire is = 1.8×10-7 ohm-m The value of resistance is R = 0.45…

Q: An aluminum wire with a circular cross-section has a mass of 1.45 g and a resistance of 0.630 Ω. At…

A: Resistance of wire of area of cross section A and length l is given as R= ρl/A.

Q: What is the resistance of a wire made of a material with a resistivity of 3.2 x 10 -8 if its length…

A:

Q: A wire is made out of aluminum with a cross-sectional area of 5.75×10−4 m2 and a length of 40 km.…

A: The resistance of the aluminium wire is

Q: The resistance of a copper wire is originally 16 Q. What is the resistance of the same copper wire…

A:

Q: A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional…

A: As the volume is constant,

Q: An iron wire has a diameter 3.65 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

A: Formula of resistance is as follows: R=ρLA…

Q: A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional…

A:

Q: A copper wire has a diameter 6.2 mm and resistivity 1.6 x 10-8 2m. What will be the length of this…

A:

Q: What is the resistance (in units of Q) of a wire made of a material with a resistivity of 3.2 x…

A: Given- Resistivity ρ=3.2×10-8Ω.m Length L=49.1 m Diameter d=0.50 mm=0.50×10-3m Radius…

Q: When a 1.0m length of metal wire is connected to a 1.5 V battery, a current of 8 mA flows through…

A:

Q: An iron wire has a diameter 2.45 mm and resistivity 9.71x 10 Om. What will be the length of this…

A:

Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 40.0 Q at 20.0°C. If…

A: Given, length of wire=3m cross-sectional area=0.450mm^2 Resistance Ro=40 ohm at 20 c Resistance…

Q: What is the resistance of a wire made of a material with a resistivity of 3.2 × 10 ° 2 ·m if its…

A: Given, the resistivity of material ρ =3.2×10-8 Ω.mlength l =70.1 mdiameter =0.50 mmradius of wire…

Q: A coil of copper wire whose resistivity is 10.37 ohm-CM/ft has a length of 600 ft. What is the…

A:

Q: What is the resistance (in units of N) of a wire made of a material with a resistivity of 3.2 × 10-8…

A:

Q: A wire of diameter 0.650 mm and length 60.0 m has a measured resistance of 2.40 Ω. What is the…

A: Resistivity of the wire ρ=RAl=Rlπd24

Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 10-8…

A:

Q: A gold wire has a length of 23.0 m and a resistance of 4.70 Ω at 20.0°C. Assuming a circular…

A:

Q: How long Lis a tungsten wire if it has a diameter of 0.173 x 10-3 m and a resistance of 2.77 k2? The…

A: Given Data:- The diameter of the tungsten wire is d = 0.173 x 10-3 m. The resistance of the…

Q: A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41.0 Ω at 20°C. If its…

A:

Q: What is the resistance (in units of 2) of a wire made of a material with a resistivity of 3.2 x…

A:

Q: The resistivity of a silver wire with a radius of 5.04 x 10-4 m is 1.59 x 10-8 2 · m. If the length…

A:

Q: A conductor has a diameter of 3.0 mm. How many meters of this material is needed to have a…

A: Given data: Diameter (D) = 3.0 mm = 3.0×10-3 m Resistance (R) = 1 Ω Resistivity (ρ) = 1.68×10-8 Ω.m…

Q: An electrical engineer wants to have a copper wire with resistance equal to 5 ohms. If the wire has…

A: Given, Resistance = 5 ohms Radius = 1 mm

Q: What is the resistance (in units of 0) of a wire made of a material with a resistivity of 3.2 x 108…

A: Given Resistivity=3.2×10^-8 onm meter Length=71.5 Diameter=.5mm

Q: Assuming that you wish to make a uniform wire out of 2 grams of copper. If the wire is to have a…

A: Given: The mass of copper is m=2 g. The resistance of wire is R= 0.75 Ω. The density of copper…

Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.