A cylindrical resistor of radius 4.1 mm and length 2.2 cm is made of material that has a resistivity of 3.50×10-5 Ω m. What is the current density when the energy dissipation rate in the resistor is 1.0 W?
A cylindrical resistor of radius 4.1 mm and length 2.2 cm is made of material that...
A cylindrical resistor of radius 5.4 mm and length 2.3 cm is made of material that has a resistivity of 3.50×10-5 Ω m. What is the current density when the energy dissipation rate in the resistor is 1.0 W? What is the potential difference?
) A cylindrical resistor of radius 5.5 mm and length 1.8 cm is made of material that has a resistivity of 3.50×10-5Ω m. What is the current density when the energy dissipation rate in the resistor is 1.0 W? What is the potential difference?
Chapter 26, Problem 064 A cylindrical resistor of radius 2.7 mm and length 3.0 cm is made of material that has a resistivity of 2.8 x 10-5 2.m. What are (a) the magnitude of the current density and (b) the potential difference when the energy dissipation rate in the resistor is 1.0 W? (a) Number Units (b) Number Units SHOW HINT
(4 points) A cylindrical resistor is made of a material with 4 x 1027 mobile electrons per cubic meter and an electron mobility of 6 × 10 5 m/s per V/m. The resistor is 1.2 cm long with a radius of 0.35 mm. The potential difference from one end of the resistor to the other is 2.6 volts. 6, (a) What is the magnitude of the electric field in the resistor? (b) What is the average drift speed of the...
A certain resistor is made with a 52.2 m length of fine copper wire, 4.70 × 10 2 mm in diameter, wound onto a cylindrical form and having a fiber insulator separating the coils. Calculate the resistance. (The resistivity of copper is 1.72 x 10 8 Ω-m.) 465.95 Ohms Ίκ
A certain resistor is made with a 53.2 m length of fine copper wire, 5.26 x 102 mm in diameter, wound onto a cylindrical form and having a fiber insulator separating the coils. Calculate the resistance. (The resistivity of copper is 1.72 x 10-8 Ω-
A long cylindrical wire has a radius equal to 2.2 cm and carries a current of 75 A uniformly distributed over its cross-sectional area. Find the magnetic energy per unit length within the wire. (Use the following as necessary: π and μ0.) U'm = mJ/m
10, A cylindrical copper wire heater (resistivity of 1.7x10" Ωm) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? (a) (b) (c) (d) 2.8 A 65 A 52 A 124 A-, ' = 0,2302 天心ー。ソー 520A. 1.120 11. What is the equivalent resistance of the circuit between the points A & B? 2 6 2Ω (d) 9Ω 3Ω 12....
A cylindrical tungsten filament 15.0 cm long with a diameter of 1.10 mm is to be used in a machine for which the temperature will range from room temperature (20 ∘C) up to 120 ∘C. It will carry a current of 13.5 A at all temperatures ( Resistivity of tungsten at 20 ∘C is 5.25×10−8Ω⋅m , the temperature coefficient of resistivity at 20 ∘Cis 0.0045 ∘C−1 ) Part B What will be its resistance with that field? Express your answer...
A cylindrical copper wire heater (resistivity of 1.7x10 Qm) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? 2.8 A 65 A 52 A 124 A