Problem 5: In the figure the inner coil has Ni turns and length L, the outer...
1. a. One solenoid is centered inside another. The outer one has a length of 47.0 cm and contains 6700 coils, while the coaxial inner solenoid is 5.00 cm long and 0.170 cm in diameter and contains 17.0 coils. What is the mutual inductance of these solenoids? The current in the outer solenoid is changing at 38.0 A/s. b. Find the emf induced in the inner solenoid. c. A toroidal solenoid has a mean radius of 18.0 cm and a...
= 5. A coil of Nc turns and radius b surrounds a long solenoid of radius a and n turns per meter in Figure. The current in the solenoid changes as lo 10e sin(wt). Circuit has a variable resistor. (a) Find the induced emf (electromotor force) in the coil as a function of time. (b) Find the self-inductance of solenoid. (c) Find the potential V of the circuit when at t=2 s resistor has 2 12, L=0.4 H, and f=10...
(5pts) Self-inductance (L) ofacoil is defined as the constant ofproporto nality between the coil current (i) and the flux (NO) linking the coil (ie, 1 = NO, and (iii) so, by Paraday's law, voltage in the coLUse any one of these relationships to find the self-inductance of the solenoid (Show working for full grade) Self-inductance (L) (iv) A second coil of 25 turns is tightly wound around the middle section of the solenoid, such that the flux generated by the...
2.120 pts] A schematic diagram of transformer is shown below. The closed path, l in the magnetic circuit in the Figure is traced by magnetic flux Ф. N,, N2, and 11, 12 are the numbers of turns and the currents in the primary and secondary circuits, respectively. The permeability, and cross-section of ferromagnetic core is, u and A İl(r) (a) [6 pts] Draw an equivalent magnetic circuit with two magnetomotive force, Vmmfi, and Vmmf2, magnetic closed flux, 4, and magnetic...
Question 3 A long solenoid with n turns per unit length of current I is wrapped around a cylindrical magnetic core of permeability μ μ0Hm The cylindrical core, extending along the z-axis, has radius α n turns per unit length, current I per turn Magnetic material of μ (a) If the solenoid is considered as infinite in length, it can be shown that the magnetic field, expressed in cylindrical coordinates, is: r> a Apply Ampere's law, using the rectangular path...
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow. all of the important tures, and indicating Stating any approximations that you make, show that the axial magnetic [5 fux density, B, deep inside a long solenoid of length 1, total number of turns N, carrying a current 1, is approximately Two solenoids are arranged as...
Problem1 In the concentric spherical conductors system shown in Figure 1, the inner conductor has positive charge-q and radius a. The outer conductor has radius b a) Using Gauss' Law determine the electric field vector E(r) in the region between the conductors (acrcb) and the potential difference Vab between them. b) Calculate E(r) and Vab if the two conductors have a 30 mm, b-40 mm, q 10uc, r-35 mm ε,-8.85x10-12C3(N.m2. For the circuit shown in Figure 2 find: a) the...
Problem 2. Multiple-choice: (15 pts) 2-1. A solenoid has 500 turns per meter length and radius of 5 cm. When the current in the solenoid is 8 A, what is the magnetic flux though the cross-sectional area of the solenoid? (B) 6.03 x 104 T m2 (D) 3.95 x 105 T m2 (A) 5.03 x 103 Tm2 (C) 1.58 x 103 Tm2 2-2: In an RLC circuit, resistor is R-0.7 Ω, capacitor is C 0.04 F, the inductor is L...