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(III) A short section of wire, of length a, is moving with velocity
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Height, Inner and outer radii of the toroid are h = 10cm, a = 10cm and b = 20cm respectively. No current flows through the toroid. Now the switch S is thrown dlosed at t=0. What is the energy of the toroid at t=0,4s. Ho = 4 × 10-7() a) 18,36J b) 162,7J c) 491,75J d) 993,65J e) 1641,56Jarrow_forward(5) Current is flowing through a cylindrical copper wire with radius 6.33mm and length 92.1cm. This wire is hooked up to two capacitors in series C1 = 9.42,1F and C2 = 8.11µF. The capacitors both have cross sectional areas of A = 179cm2. (a) At a given moment in time, the current is I = 77.97A and the drift velocity of the electrons is va = 45.6µm/s. What is the number density of electrons in this wire? (b) At a given moment in time, the charge on capacitor 2 is 62.6uC. What is the total change in potential across both capacitors combined? (c) At the moment described in part (b), what is the energy stored in capacitor 2? 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Can you use Kirchhoff's laws to set up a system of equations that allows you to solve for the current through R,? Be careful of magnitude signs. HA direction upward (b) What…arrow_forward(a) The figure below shows two parallel conducting rails 10.8 cm apart, connected by a resistor with resistance R, = 5.00 0. Two metal rods with resistances R, = 10.8 0 and R, = 15.0 0 slide along the rails with negligible friction. Rod R, slides to the left at constant speed v, = 4.00 m/s, while rod R, slides at speed v, = 2.00 m/s. The rods and rails are in the presence of a uniform magnetic field pointing into the page, perpendicular to the plane of the rails, with a magnitude of B = 0.0100 T. * B.X R3 x R1 R2 What are the magnitude (in µA) and direction of the current through resistor R,? magnitude HA direction ---Select--- (b) What If? 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