consider a wire or a circular cross-section with a radius of R = 3.46 mm. The...
as ) = cr2 Consider a wire of a circular cross-section with a radius of R 3.02 mm. The magnitude of the current density is modeled 5.75 X 106 A/m4 r2. What is the current (in A) through the inner section of the wire from the center to 0.5R? r = A
Consider a wire of a circular cross-section with a radius of R = 3.03 mm. The magnitude of the current density is modeled as ) = cr= 7.75 x 100 A/m . What is the current in A) through the inner section of the wire from the center to r = 0.5R? A
Another answer I got was 62.78 Amps but that is also incorrect. 4. 0/1 pointsI Previous Answers OSUniPhys1 26.2.P031 My Notes Ask Your Teacher Consider a wire of a circular cross-section with a radius of R-3.38 mm. The magnitude of the current density is modeled as J-cr2 = 7.00 × 106 A/m4戸. what is the current (in A) through the inner section of the wire from the center to r 0.5R? 1.43e-4 X A Additional Materials eBook
Problem 5 Consider a circular wire of radius R- 2.50 mm. The wire has a current density whose magnitude varies radially as J = J(r) = bra. where b = 1.34 × 1010 A-ml-4 and r (measured in meters) is the radial distance from, the central axis of the wire. Throughout the cross-section of the wire, the current-density vector is perpendicular to the cross-section (i.e, the current is along the wire) (a) Find the current through the wire (b) If...
Example 3 A wire with circular cross section and radius of 2 (mm) is carrying a current. In every 2 seconds, 1020 protons passing though the cross section area of wire 1-Calculate the current in the wire 2- Calculate the current density in the wire 3-Calculate the drift speed of proton in the wire
PHY1520 Final Review Problems 1) The current density in a cylindrical wire of radius R = 3.0 mm is uniform across the cross section of the wire and is J = 3.0 × 106A/m2, (a) What is the current through the outer portion of the wire between radial distances R/2 and R (b) What is the current through the entire cross section of the wire? 2) A conducting loop of radius 1.50 cm and resistance 8 x 10-6Ω is perpendicular...
A copper wire has a circular cross section with a radius of 2.51 mm. (a) If the wire carries a current of 3.93 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 10^29 electrons/m^3.) m/s (b) For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n = 2.11...
A copper wire has a circular cross section with a radius of 1.36 mm. HINT (a) If the wire carries a current of 3.13 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 1029 electrons/m3.) m/s (b) For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n =...
(a) (10 marks] A straight wire along the ź direction with a circular cross-section of radius R, carries a total current of magnitudel, and the magnitude of the current density varies as I = ks 2 where k is a constant and s is the radial distance from the axis of the wire. i) Express the constant k in terms of I and R. Show that the magnetic field inside the wire can be expressed as B = 80. Find...
Inductance 4. (4) Consider an air-core solenoid with a circular cross-section, radius 8.00 mm and length 20.00 cm, and exactly 350 windings. If a current of 4.75 mA is sent through the solenoid (a) If the current is going through the coils clockwise as seen from above the coils, sketch the magnetic field that is generated (b) Determine the magnitude of the average magnetic field inside the solenoid (c) Determine the inductance of the solenoid