2- Show that the inductance of conductor due to internal flux is given by: L= 0.00000005 H/ M
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- The magnetic flux density of sheet steel is smaller than the cast iron for the same value of field intensity True FalseDerive the magnetic flux density equation for five-phase induction, by using the same method to derive the flux density equation for three-phase, which is: Bnet = (1.5 Bm sinωt)X̄ + (1.5 Bm cosωt)ȳFind the capacitance in picofarad between inner and outer curved conductor surfaces shown in the figure containing two dielectrics, εr1 = 4.9 and εr2 = 3.5. Here r1 = 39.4 mm, r2 = 64.4 mm, α1 = 19.7 degrees, α2 = 41.2 degrees and L = 158.6 mm.
- The magnetic field intensities inside and outside of a long and smooth conductor with a cross section radius are as follows. Accordingly, find the current densities J inside and outside the conductor. (Hint: Use cylindrical coordinates)If there are three infinite uniform sheets in x=-2, y=-2 and 2=-2 respectively infersect with each other to formulates three infinite uniform line charges with a linear charge of -10 n C/m each. Determines the Electric Flux Intensity at the origin?a) Suppose, a magnetic field, = axz+ byz + c; using Gauss’s law find out the relation between components a and b.
- Find the AT/m needed to produce flux density of 1 mT at the center of a long straight solenoid.A current flows through a long straight conductor. If the magnetic field strength at a distance of 5 cm from the conductor is 8 mT, calculate the current flowing through the conductor.As seen in Figure-2, the potential on an infinitely wide conductor plane measured. A point load of -3C was placed at (-5.6) and a point load of 4C was placed at (6.8) point. (-2,2) Calculate the potential value and the electric field created at the point. The energy stored in the system calculate. suvject is elctromagnetic field theory.
- A three phase, 11 KV, underground cable system, consider a single core of conductor radius 0.5 cm diameter and lead sheath of 1.25 cm. The core and lead sheath have been separated by two intersheaths with radius 0.75 cm and 1 cm. Draw the cable core, dielectric and intersheath layers showing the thickness of each layer, then determine the voltages on the both intersheaths. Suppose the maximum stress on the layers are the same.Find the flux of D = (ρ cos^2φ)aρ + (z sinφ)aφ.on a closed surface 0 ≤ z ≤ 1,ρ = 4Then confirm this answer with the divergence theorem. (Ans = 64π)24. Calculate the AT/m to produce a flux density of 0.001 Wb/m^2 at the center of a long straight solenoid.