Determine the B field on the axis of a circular cylinderical shell. The cylinder has a Radius b, length L, and the surface curent density j = Jms@. Calculate the B in the cylinder by using Ampere's Law for very long L
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- Q) The current density in by a certain region is approximated J² = 1 e-tay Alm² in spherical coordinates. Y 。) How much current is crossing the surface r=5m at = b) Find 3. (r,t) assuming that 3₁70 as 1700? 9 Find an expression for the velocity of charge density? Ans: № 23.1 A b) 1 et c/m³ 22 c) r mlsTwo parallel plates with an area of 3.0 cm2 are separated by a 2.5 mm thick dielectric with a constant of 4.70. If the potential difference between the plates is 120 V and the conduction current ic is 6.00 mA a) what is the charge (q) on each plate?Conical section has, the, constant, surface current density p(Clm?). The region is defined in spherical coordinates as OKOŚ231, RiKRConical seetion has, the constant, surface current density p(Clm?). The region is defined in spherical coordinates as O30uc In the region /= 30r är A/m², P, a) Find I b) Find the velocity and explain its direction. c) Depended on the principle of conservation charge law find the rate of decrease in charges per unit time. d) Find the average value of current density over the region.Problem 5: A circular capacitor has parallel plates with radius R=2.01 cm with a d=0.158 cm gap between them. The capacitor is being charged by a 21.5 A current.A (1.91x10^2)-mA current is used to charge up a parallel plate capacitor. A large square piece of paper is placed between the plates and parallel to them so it sticks out on all sides. What is the value of the integral P B. ds around the perimeter of the paper? Express your result in T.m with three significant figures.In the region / = 20ră är A/m, p, = 30e just (c) and (d) a) Find I b) Find the velocity and explain its direction. e) Depended on the principle of conservation charge law find the rate of decrease in charges per unit time. d) Find the average value of current density over the region.A (3.45x10^2)-mA current is used to charge up a parallel plate capacitor. A large square piece of paper is placed between the plates and parallel to them so it sticks out on all sides. What is the value of the integral B. ds around the perimeter of the paper? Express your result in T.m with three significant figures.Q4: For a Si conductor of length 5um doped n-type at 1015 cm-3. Calculate the current density for an applied voltage of 2.5v across its length u, = 1500 cm-2 (Ans. 8.82 x 10-2A/cm?).A. An electron moves with speed v = infinite conducting wire, at a distance d = 4 mm from the wire. A current I = 5 A flows through the wire. Determine the force acting on the electron (intensity and orientation). [Put the wire along the x axis, as in Figure 3] 10' m/s in the direction parallel to an Figure 3.(17%) Problem 5: An electric current is flowing through a long cylindrical conductor with radius a = 0.35 m. The current density J= 9.5 A/m2 is uniform in the cylinder. In this problem we consider an imaginary cylinder with radius 7 around the axis AB. J 'B Otheexpertta.com 13% Part (a) When r is less than a, express the current inside the imaginary cylinder I, in terms of r and J. ' 13% Part (b) Express the magnitude of the magnetic field B at r in terms of the current through the imaginary cylinder I, and its radius r. 13% Part (c) Express B in terms of J and r. 13% Part (d) Forr = 0.5 a, calculate the numerical value of B in Tesla. A 13% Part (e) When r is greater than a, express the current inside the imaginary cylinder in terms of r, a and J. A 13% Part (f) Express the magnitude of the magnetic field, B, at r > a in terms of I and r. A 13% Part (g) Express B in terms of J, a and r. 13% Part (h) For r = 2 a, calculate the numerical value of B in Tesla.SEE MORE QUESTIONSRecommended textbooks for you