7 cm 8. a. What is the resistance of this platinum cylinder (resistivity at 20°C of 1.06x10-7 Qm) when the current is in the direction drawn and it is at 20°C? [3.8x10-6 2] 2.5 cm 7 cm 2.5 cm

Q: A wire whose length is 2m and whose diameter is 1.5mm carries a current of 1.2A. The wire dissipates…

A: Length , L = 2m Diameter , d = 1.5 mm  Radius , R = 0.75 mm = 0.75 x 10-3 m Current , I = 1.2 A…

Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…

A: Given data: Radius R=19.8 cm=0.198m Dielectric constant k =2.16

Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…

A:

Q: Two wires have the same cross-sectional area. One is tungsten, which has a temperature coefficient…

A: The coefficient of resistivity of tungsten αt=0.0045 °C-1. The coefficient of resistivity of carbon…

Q: A coil of wire has a resistance of 55.8Ω at 26 °C and 54.1Ω at 61 °C. What is the temperature…

A: Initial temperature To = 26oC Final temperature T = 61oC Initial resistance Ro = 55.8 ohm Final…

Q: A cylindrical conducting wire which is 173.67cm long, 45.65mm thick and resistivity of 7.70.m, (a)…

A:

Q: the resistance

A:

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 0) of a wire made of a material with a resistivity of 3.2 × 10-8…

A: Resistivity ῥ = 3.2*10-8 ohm . m Length L = 39.3 m Diameter = 0.50mm = 0.50*10-3m

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: The resistance Rof a wire of length l, cross secetion area A, and resistivity ρ,  is given by,R=ρlA

Q: A certain metal wire has a cross-sectional area of 1.0 cm² and a resistivity of 1.7 x 10-8. m. What…

A: Given data:   Area (A) = 1.0 cm2 = 1.0×10-4 m2 Resistivity (ρ) = 1.7×10-8 Ω.m Resistance (R) = 1.0 Ω…

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: 1. What length of copper (p=1.78 x 10-80m) wire 1.2 mm in diameter is needed to make a 20-Q resistor…

A: Given that,Resistivity of copper : ρ = 1.78×10-8  (Ohm.m)Diameter : D = 1.2 (mm)Radius : r = D2 =…

Q: stivity is 10° Q.m at 20 n °C) of the material

A:

Q: The resistance of a wire that is 105 cm long is 20.5 Q. After the temperature change, its resistance…

A: Information Given:- Length of the wire is l=105 cm Initial resistance of the wire is R0=20.5 Ω…

Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.015 Ω and a…

A:

Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.019 Ω and a…

A:

Q: A particular wire has a resistivity of 3?10−8 Ω. ? and a cross-sectional area of 4?10−6 ?2. A length…

A: Given,

Q: To what temperature must you raise a gold wire (c = 0.0034), originally at 20.0°C, to double its…

A:

Q: Resistivity (A-m) 2.65 x 10 Material Aluminum Соpper Gold Iron | 1.68 x 10 244 x 10 9.71 x 10…

A:

Q: 1. What current flows through a 0.50 mm diameter rod of Aluminum that is 20.0 cm long, when 22 V is…

A: Resistance=ρLA A= π r2 = 1.96x10-7 m2 Resistance = 0.027 ohm

Q: Find the resistance(in the unit of Ohm) of a Nichrome rod of diameter d=1 mm and has a length L=5 m…

A: Given, Diameter = 1 mm Radius = 0.5 mm = 0.0005 m Length = 5 m

Q: A wire 3.00 m long and 0.450 mm? in cross-sectional area has a resistance of 40.6 2 at 20.0°C. If…

A: We have the expression of Resistance values for conductors at any temperature (T°C):

Q: A wire whose length is 2m and whose diameter is 1.5mm carries a current of 1.2A. The wire dissipates…

A: The resistance of the wire is related to its length and cross sectional area of the wire by the…

Q: - 44. What is the resistance of an aluminum wire of length 10 m and cross-sectional area of 0.002 m²…

A: length = l = 10 m area = A = 0.002 m2 resistivity = 2.65X10-8X 100.002= 2.65 x 10-8 ohm-m

Q: What is the resistance in a wire made of aluminum with a length of Ikm and a radius of 2 mm? 1

A: Resistance of  material is given as R=ρLAρ=resistivity of a materialA= cross-section area of the…

Q: What current flows through a 0.50 mm diameter rod of annealed Copper that is 90.0 cm long, when 12 V…

A: Resistance is given by: R = ρ*L/A ρ = resistivity of annealed copper = 1.72*10^-8 ohm-m L = length…

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

A: Resistivity , ρ = 3.2 x 10-8  Ω m Length , L = 58.9 m Diameter , d = 0.5 mm To find = Resistance of…

Q: ISuppose that you wish to fabricate a uniform wire out of 4.56 g of copper. If the wire is to have a…

A:

Q: A 3.5m long wire with a radius of 22.0mm has a resistance of 29.1ohms at 20degreesC. If its…

A: Given data: Length of the wire is, L = 3.5 m The radius of the wire is, r =22 mm= 0.022 m Initial…

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: _1. If wire has 1.25 x 1016 electrons flowing through its cross-section in one second, what is the…

A: Given that,number of electron flowing per second, N=1.25×1016charge of 1 electron, q= 1.6×10-19…

Q: A length of 120 cm from Aluminum cylinder with a cross-sectional area of 2.82 x 10 m2, the…

A:

Q: Material=Nickel  Resistivity=6.99 x 10^(-8) Ω.m a) Calculate the conductivity of your material.…

A: Since you have asked multiple subparts, we will solve the first three for you. If you want a…

Q: What current flows through a 2.58-cm-diameter rod of pure silicon that is 19.0 cm long, when 1.00 ✕…

A: According to question--- Given values--- diameter = 2.58 cm. length of rod = 19 cm. voltage = 103…

Q: A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature…

A:

Q: A wire 3.00 m long and 6.450 mm in cross-sectional area has a resistance of 380 at 20C. Ir s…

A:

Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.014 Ω and a…

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: A thermometer made of Platinum has a resistance of 50 \( \Omega \) at 20 C, what is the measured…

A:

Q: A wire 3.00 m long and 0.450 mm² in cross-sectional area has a resistance of 40.2 2 at 20.0°C. If…

A: Given Data:Length the of the wire is cross section area of wire is Initial resistance of wire is…

Q: A coil of wire has a resistance of 36.2Ω at 26 °C and 61.7Ω at 67 °C. What is the temperature…

A:

Q: At the instant the traffic light turns green, an automobile starts with a constant acceleration a of…

A:

Q: 1. What current flows through a 0.50 mm diameter rod of annealed Copper that is 90.0 cm long, when…

A: Using Ohms lawV = I R   we find current  and using R = ρ L/A   we find resistance