2L 2L 4L 2r 2r 2r 1 2 3 4 FIGURE Q22.10

Q: A wire has a length of 8.0 m and is made of copper which has a resistivity of 1.7 x 10-8 Ωm.  This…

A: The diameter d=0.01m  Length L=8.0m  To find the resistance of the wire

Q: A copper wire of length L has a resistance R. The wire is passed through a small metal ring,…

A: Given data: The length of wire is L. The resistance is R.

Q: A circuit calls for a 0.280 mm diameter copper wire to be stretched between two points. You don't…

A:

Q: What is the equivalent resistor between the terminals a and b if you replace R1 by 38 Ohm and R2 by…

A: Given data:    R1=38 Ω   R2=34 Ω

Q: A rod of semiconducting material of Length L=5 m and cross-sectional area A=3 mm2 lies along the…

A:

Q: A certain lightbulb has a tungsten filament with a resistance of 22.4 N when at 20.0°C and 143 N…

A:

Q: Two platinum wires (E & F) are found in a closet. Wire E has a resistance of RE. Wire F is 3 times…

A: The resistance of the wire E is .Wire F is 3 times shorter than wire E.The cross-sectional area of…

Q: When connected in parallel, two resistors have an equivalent resistance of 119 Q. The same two…

A:

Q: Choose true or false for each statement regarding the resistance of a wire.     The resistivity ρ is…

A: 1. The resistivity ρ is proportional to the resistance R of a wire. This is true. Because resistance…

Q: Two copper wires (call them A and B) both have length 19.0 m but wire A has a radius 7.045 mm and…

A:

Q: A piece of wire has resistance of 1.25 2. The wire is made of a material with resistivity 8.2x10-7…

A:

Q: A rod of semiconducting material of Length L=5 m and cross-sectional area A=3 mm2 lies along the…

A: Given data: The length of the semiconducting material is, L= 5 m The cross-sectional area of the…

Q: A rod of semiconducting material of Length L=5 m and cross-sectional area A=3 mm2 lies along the…

A:

Q: A copper wire has a diameter 4.95 mm and resistivity 1.6 x 10° Qm. What will be the length of this…

A: solution as

Q: A certain lightbulb has a tungsten filament with a resistance of 18.5 N when cold and 136 N when…

A:

Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ?  use g…

A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…

Q: vires are made of copper, but have different diameters. If the resistance of wire A is 27 Q/m and…

A:

Q: A cylindrical conductor has resistance of R0 = 950 Ω. It has length L, radius of the cross section…

A: Resistance of the cylindrical conductor is Ro = 950 Ω Length of conductor = L Radius of…

Q: Two wires have the same resistance and radius. If the wires are made of tungsten and copper with…

A: Given data   The resistance of both the wires is equal to Rt = Rc The radius of both the wires rt =…

Q: = R₁ R₂ R₁+R₂ when connected in parallel The equivalent resistance of two resistors R₁ and R₂ is…

A:

Q: A copper wire of length 2.5 m and cross-sectional area 2.4 x 107 m² has a resistivity of 1.7 x 10*8…

A: We know that,Resistance, R=ρLAwhere,ρ=resistivity L=length of wireA=cross−section areaGiven…

Q: A copper wire has a diameter 1.15 mm and resistivity 1.6 x 10-8 Qm. What will be the length of this…

A: Given data:  Wire diameter (d) = 1.15 mm = 1.15×10-3 m Resistivity (ρ) = 1.6×10-8 Ωm Resistance (R)…

Q: A battery provides emf (voltage), ε = 12 volts. it has an internal resistance Rinternal = .4, so you…

A:

Q: An iron wire has a diameter 7.25 mm and resistivity 9.71x 10-8 Qm. What will be the length of this…

A: Answer             (a)  4251.534 m             (b) 2.5 ohm

Q: Calculate the resistance of a 1.2 meter copper wire with a cross-sectional area of 1.0 x 10m?.

A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…

Q: Two identical resistors of R0 = 71 Ω are connected head-to-tail. (a)  Express the resistance R0 of…

A: a)The relation between resistance, resistivitylength & cross sectional area isRo=ρLA

Q: The figure shows cross sections through three long conductors of the same length and material, with…

A:

Q: The wire segment shown below is made of copper with a length of 300.0 m, across sectional area of…

A:

Q: Two wires with the same resistance have the same diameter but different lengths. If wire 1 has…

A: Given Information:- Resistance and diameter of the two wires are same. Resistivity of copper is…

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

A:

Q: Gold is the most ductile of all metals. For example, one gram of gold can be drawn into a wire 2.35…

A:

Q: The rod given in the figure is made up of two different materials. Both have square cross sections…

A: Side of square cross section , a = 3 mm = 3 x 10-3 m Cross section , A = a2 = (3 x 10-3)2 = 9 x 10-6…

Q: Q. m and 11.0 x 10 Q. m, determine the ratio of their lengths. Two wires have the same resistance…

A: Concept:- Resistance of a conductor having length L, cross-sectional area A  and resistivity ρ is…

Q: A 5-meter-long conductor with diameter of 5mm is connected to a source and an external resistance.…

A: Let l and d are the length and the diameter of the conductor respectively, σ0 be the conductivity at…

Q: What is the resistivity of a wire of 5-gauge wire (A = 16.8 x¹0-6 m²), 5.00 m length, and 5.10 m…

A: Given :-  Cross sectional area A= 16.8*10-6 m2 Length l = 5m Resistance of wire R = 5.10 mΩ

Q: There is a potential difference of 1 V between the ends of a 10 cm long graphite rod that has a…

A:

Q: The resistivity of copper is 1.72E-8 Ω·m. We would like to use a copper wire to connect two devices…

A:

Q: A 2 m long gauge 14 copper wire (diameter 1.624 mm, resistivity 1.72 × 10-8 Ωm) replaces a similar 2…

A:

Q: The radius r of a wire grows linearly with its length I according to r(x) = a + z, where z is the…

A: For the small element of length dx of the wire, the resistance of the wire is given by the following…