previous 3of9 Problem 30.16 Part A A hollow copper wire with an inner diameter of 1.0...
A hollow copper wire with an inner diameter of 0.60 mm and an outer diameter of 2.1 mm carries a current of 10 A . What is the current density in the wire?
A hollow copper wire with an inner diameter of 1.1 mm and an outer diameter of 1.8 mm carries a current of 15 A. What is the current density in the wire?
A hollow copper wire with an inner diameter of 0.60mm and an outer diameter of 2.0mm carries a current of 14 A. What is the current density in the wire?
A hollow copper wire with an inner diameter of 1.2mmand an outer diameter of 2.3mm carries a current of 12A . What is the current density of the wire?
previous 8 of 10 nextョ Problem 32.42 Part A tial A long wire carrying a 5.8 A current perpendicular to the zy-plane intersects the z-axis at r-2.2cm. A second, parallel wire carrying a 2.0 A current intersects the z-axis at z +2.2cm At what point on the x-axis is the magnetic fiekd zero if the two currents are in the same direction? Express your answer to two significant figures and include the appropriate units. Value Units Submit My Answers Give...
A hollow metal sphere has inner radius a, outer radius b, and conductivity σ. The current I is radially outward from the inner surface to the outer surface. 1c. Evaluate the electric field strength at the outer surface of a copper sphere if a = 1.5 cm , b = 2.0 cm , and I = 25 A. Express your answer to two significant figures and include the appropriate units.
I just need help with Part D, thank you in advance. A copper wire has a square cross section 2.02 mm on a side. The wire is 4.81 m long and carries a current of 4. 34 A The density of free electrons is 8.5 x 1028 m3 Part A Find the magnitude of the current density in the wire. Express your answer using three significant figures. J= 1.06x106 A/m2 Previous Answers Submit Correct Part B Find the magnitude of...
plz keep in mind sig figures :) A 0.70-mm-diameter copper wire carries a tiny current of 2.6 uA . The molar mass of copper is 63.5 g/mole and its density is 8900 kg/m' NA = 6.02 x 1023 Part A Estimate the electron drift velocity. Assume one free electron per atom. Express your answer to two significant figures and include the appropriate units. uA ? vd = Value Units
1. Part A What is the diameter of a 1.00-m length of tungsten wire whose resistance is 0.45 Ω ? Express your answer using two significant figures. 2. Part A What is the maximum instantaneous power dissipated by a 3.4-hp pump connected to a 240-Vrms ac power source? 1 hp = 746 W. Express your answer using two significant figures. Part B What is the maximum current passing through the pump? Express your answer to two significant figures and include...
In (Figure 1) the top wire is 1.80-mm-diameter copper wire and is suspended in air due to the two magnetic forces from the bottom two wires. The current flow through the two bottom wires is 81 A in each. Part A Calculate the required current flow in the suspended wire (M). Express your answer to two significant figures and include the appropriate units. μΑ 1.12 ]] ? Icu = Value Units Figure 1 of 1 Submit Request Answer M <...