as ) = cr2 Consider a wire of a circular cross-section with a radius of R...
consider a wire or a circular cross-section with a radius of R = 3.46 mm. The magnitude of the current density is modeled as ] = c,2-5.25 × 106 A/m4 r2. what is the current (in A) through the inner section of the wire from the center to r-0.5R?
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
(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...
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 =...
s Fieure S-I shows the cross section of a long conducting cylinder with inner radius o em and outer radius b 4.0 cm. The cylinder carries a current out ot the page. and the magnitude of the current density in the cross section is given by J - cr2, with e 3.0x 10° A/777 and r in meters. what is the magnetic field B at the dot in pier 5-1(a) which is at radius ro3.0 cm from the central axis...