Two wires having same mass made up of same material will have same density.
As same mass means Equal volume. Using Density = Mass/Volume.
5) A 1.20-m-long wire has a resistance equal to 0.420. A second wire made of identical...
Tipler6 25.P.045.soln. A 1.30-m-long wire has a resistance equal to 0.290 Ω. A second wire made of identical material has a length of 1.70 m and a mass equal to the mass of the first wire. What is the resistance of the second wire? Ω
A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same material, that is 1/3 as long and has 1/5 the diameter? (answer in ohms)
A certain wire has a resistance of 120 Ω. What is the resistance of a second wire, made of the same material, that is 1/3 as long and has 1/3 the diameter?
A wire of diameter 0.750 mm and length 45.0 m has a measured resistance of 1.20 Ω. What is the resistivity of the wire?
A long copper wire has a resistance of 33 Ohms. A second copper wire is a factor of 5 times shorter than the first wire. (It is the same area, however.) If the second wire is connected to a 24 volt battery, what is the current in the wire in amps?
A wire 3.66 m long and 6.77 mm in diameter has a resistance of 21.7 m?. A potential difference of 17.5 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made. (a) Number Units (b) Number Units (c) Number Units A wire 3.66 m long and 6.77 mm in diameter has a...
A conducting wire of length L_0 and diameter d_) has resistance R_0. A second wire of the same material has 5L_0 length and diameter 3d_0. What is resistance of the second wire compared to R_0?
A long copper wire has a resistance of 30 Ohms. A second copper wire is a factor of 4 times shorter than the first wire. (It is the same area, however.) If the second wire is connected to a 25 volt battery, what is the current in the wire in amps?
A wire 3.07 m long and 8.24 mm in diameter has a resistance of 17.2 mΩ. A potential difference of 27.7 V is applied between the ends. (a) What is the current in amperes in the wire? (b) What is the magnitude of the current density? (c) Calculate the resistivity of the material of which the wire is made.
.A cylindrical metal rod has a resistance R. A second rod that is made of the same material has (1 potnt) triple the length and triple the diameter of the first rod. What is the resistance of the second rod? OR O3R O9R 4. Which material has the highest resistivity? (l point) O glass O steel Olead Onichrome alloy