A cylindrical copper wire heater (resistivity of 1.7x10 Qm) has a radius of 0.5 mm and...
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....
cylindrical copper wire heater (resistivity of 1.7x109 2m) 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? 10 A (a) 2.8 A (b) 65 A (c) 52A (d) 124 A
A cylindrical copper wire, whose radius is r = 0.0444 mm, carries a current of I = 3.33 A. The resistivity of copper is ρ = 1.68 × 10 − 8 Ω ⋅ m. What is the magnitude of the electric field in the wire?
A cylindrical copper wire, whose radius is r = 0.0444 mm, carries a current of I = 3.33 A. The resistivity of copper is p=1.68 x 10-812.m. What is the magnitude of the electric field in the wire?
What is the equivalent resistance of the circuit between the points A & B? I know the answer is 6, but WHYYYY!!! I’ve watched video after video! Please help! U.A cylindrical copper wire heater (resistivity of 1.7x10a 2m) has a radius of 0.5 mm ar of 10 m. What is the current on this wire when it is connected to a voltage source of (a) 2.8A (b) 65 A (c) 52A (d) 124 A 11. What is the equivalent resistance...
A piece of Nichrome wire has a radius of 5.50 10-4 m. It is used in a laboratory to make a heater that uses 3.00 102 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the necessary length of wire.
A portion of Nichrome wire of radius 2.80 mm is to be used in winding a heating coil. If the coil must draw a current of 8.45 A when a voltage of 120 V is applied across its ends, find the following. (Take the resistivity of Nichrome to be 1.50 ? 10?6 ? · m.) 3. -10 points My Notes Ask Your Teacher A portion of Nichrome wire of radius 2.80 mm is to be used in winding a heating...
The heater element of a toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 Ω·m. Assume the toaster is operated at a constant voltage of 120 V. -When the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to its resistivity when at operating temperature? Explain.
A cylindrical wire has length 60 cm, diameter 9.0 mm, and resistivity 3.0 x 10-4 2m. When the wire is connected across the terminals of a battery, the magnitude of electric field inside the wire is 15 V/m. (a) (b) Calculate the current in the wire and the power dissipated in the wire. Include SI units with each answer. (10 points) In five minutes, how much charge passes through the wire, how many electrons are contained in this amount of...
A tungsten wire has a radius of 0.075 mm . The coefficient of resistivity is 5.6 X 10-8 Ω·m. When 120 Vis applied across the ends of the wire, a current of 1.5 A is produced. How long is the wire?