Wires A and B, having equal lengths of 40.9 m and equal diameters of 2.65 mm, are connected in series. A potential difference of 63.0 V is applied between the ends of the composite wire. The resistances are RA = 0.125 Ω and RB = 0.718 Ω. For wire A, what are (a) magnitude J of the current density and (b) potential difference V? (c) Of what type material is wire A made (see the table below)? For wire B, what are (d) J and (e) V? (f) Of what type material is B made?
Wires A and B, having equal lengths of 40.9 m and equal diameters of 2.65 mm,...
Chapter 27. Problem 073 Wires A and B having equal lengths of 40.4 m and equal diameters of 2.93 mm, are connected in series. A potevalcifference of 61.0 V applied between the end of the composite wire. The resistances are RA-0.101 and Ra=0.580 A For Wire A, what are (n) magnitude of the current density and (b) potential difference V (c) of what type material is wire A made (see the table below)? For wire, what are (d)) and (e)...
RCES Chapter 27, Problem 073 Wires A and B, having equal lengths of 41.1 m and equal diameters of 2.80 mm, are connected in series. A potential difference of 60.8 V is applied between the ends of the composite wire. The resistances are RA = 0.113 2 and Rg = 0.646 2. For wire A, what are (a) magnitude of the current density and (b) potential difference V? (c) Of what type material is wire A made (see the table...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length ℓ, radius 2r wire 2: length 2ℓ, radius r/2 wire 3: length 4ℓ, radius r/3 (a) Rank the wires according to their resistances, greatest first. Select one: a. 1>2>3 b. 3>2>1 c. 2>3>1 d. 1=2>3 e. 1>3>2(b) A potential difference V is applied across the length of the wires. Rank them according to the current density across their cross sections, greatest first. Select one: a. 1 = 2 >3 b.1>3>2 c. 1>2>3 d. 3>2>1 e. 2>3 >...
Problem 2.2-3 A steel wire and an aluminum alloy wire have equal lengths and support equal loads P (see figure). The moduli of elasticity for the steel and aluminum alloy are Es = 206 GPa and E,-76 GPa, respectively. Aluminum alloy Wire (a) If the wires have the same diameters, what is the ratio of the elongation of the aluminum alloy wire to the elongation of the steel wire? diameter of the aluminum alloy wire to the diameter of the...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length l, radius 2r wire 2: length 2l, radius wire 3: length 31/2, radius r/2 (b) A potential difference Vis applied across the length of the wires. Rank them according to the current that flows through them, greatest first. Select one: O a. 1>2>3 b. 3 > 2>1 c. 2>3 > 1 O d. 3>2>1 e. 1=2>3 CY
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...
23. Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. What is the ratio of the cross- sectional area of A to that of B? a. 3 b. 13 c. 1 d. 1/13 e. 1/3 24. A potential difference of 1.0 V is maintained across a 10.0-V resistor for a period of 20 s. What...
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.
Question 12 Not yet answered Points out of 5.00 P Flag question Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length f, radius 2r wire 2: length 21, radius r/2 wire 3: length 4l, radius r/3 (b) A potential difference V is applied across the length of the wires. Rank them according to the current density across their cross sections, greatest first. Select one: O a. 1>3>2 O b. 3>2>1 O c....
Chapter 26, Problem 018 A wire 5.66 m long and 7.36 mm in diameter has a resistance of 13.3 m2. A potential difference of 26.2 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 Units (b) Number (c) Number Units