The loop is in a magnetic field 0.34 T whose direction isperpendicular to the plane of the loop. At t = 0, the loophas area A = 0.285 m². Suppose the radius of the elasticloop increases at a constant rate, dr/dt = 5.55 cm/s.Part ADetermine the emf induced in the loop at t = 0 and at t = 1.00 s.Express your answer using two sifnificant figures.ΜΕ ΑΣΦε(0) =SubmitRequest AnswerPart BExpress your answer using two sifnificant figures.ΑΣΦE(1.00) =SubmitRequest AnswerProvide Feedback??mVmVConstants | Periodic TableNext >

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Answered: The loop is in a magnetic field 0.34 T…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The square conducting loop shown in the figure lies in the x-y plane. The loop is in a uniform magnetic field at a particular instant and the field that points into the paper/screen. The magnitude of the magnetic field begins to decrease at a rate of 5.9 T/s. What is the induced electric current (in A) in the loop? Assume the resistance is 97.7 Ω and the length of each side of the loop is 3.4 m.
A fixed 19.6-cm-diameter wire coil is perpendicular to a magnetic field 0.58 T pointing up. In 0.23 s, the field is changed to 0.24 T pointing down. Part A What is the average induced emf in the coil? Express your answer to two significant figures and include the appropriate units. HÅ ? E = Value Units
A circular loop of wire lies in a plane perpendicular to a magnetic field. The magnetic field has a magnitude of 1.3 T and points out of the page as shown in the figure. The radius of the loop is 18 cm and it has a resistance of 3.2 Ω. Find the induced emf in the loop of wire if the magnetic field doubles in magnitude in 1 seconds. What is the induced current in the loop? In which direction is the induced current?
B Figure 2. Expanding loop for Q1(ii) | In Figure 2, the conductive rod with length l = 10 cm is in contact with conductive rails on both sides and slides along the x-direction with u = 6a, m/s. Given B = 2a, Wb/m², and R = 300, a. Find the emf induced in the rod by use of the motional emf relation Vemf = $(u x B). dl over the loop.
A long straight (line) conductor carries a current i that increases at a rate di/dt. Below this current-carrying conductor is a rectangular conductor as shown in the figure below. Given that a/b = 4 and assuming that the dimensions of the rectangular conductor are small enough to experience an almost instantaneous change in the magnetic field due to the current change in the long current-carrying conductor above it, what is the magnitude of the induced emf in the rectangular conductor? 1 HoL di (A) 42 4T dt HoL di (B) In (1+ 27 dt -(1+ ) HoL di (C) 4т de HọL di (D) In (1+4) 27 dt (E) 4²40L di 4x dt
Please solve this question! The answer is NOT 39.1 watt!!
A shunt-wound DC motor with the field coils and rotor connected in parallel (Figure 1) operates from a 130 V DC power line. The resistance of the field windings, R, is 208 n. The resistance of the rotor, R. is 4.90 n. When the motor is running, the rotor develops an emf E. The motor draws a current of 4.46 A from the line. Friction losses amount to 45.0 W Part A Compute the field current Ir. Express your answer in amperes. • View Available Hint(s) Temglates Symbols undo regdo Tesel keyboard shortcuts Help A I = 0.56 Submit Prevlous Anewere X Incorrect, Try Again; 4 attempts remaining Part B Compute the rotor current I > View Available Hint(s) Figure 1 of 1 Templates Symbols undo redo Teset keyboard shortcuts Help A. I = 4,26 Submit Prevlous Answers X Incorrect; Try Again; 5 attempts remaining R ER. Part C Compute the emf E.
A single loop of wire with an area of 0.0680 m? is in a uniform magnetic field that has an initial value of 3.80 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.210 T/s. Part A You may want to review (Page). What emf is induced in this loop? For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Emf and current induced in a loop. Express your answer in volts. lel = V Submit Request Answer Part B If the loop has a resistance of 0.750 N, find the current induced in the loop. Express your answer in amperes. I= A Submit Request Answer
2.a A change in current produces change in the electromagnetic field, which induces a voltage across the coil according to Faraday's law of electromagnetic induction. Which implies that the voltage across the inductor is directly proportional to the time rate of change of current. Find the energy stored by the inductor in terms of current and inductance of the inductor. 2.b Given the current, i(t) = 2t3 A, through a 5H inductor. Find the energy stored in the inductor at t=5 s, assume initial conditions to be zero.
A fixed 13.3-cmcm-diameter wire coil is perpendicular to a magnetic field 0.59 TT pointing up. In 0.19 ss , the field is changed to 0.27 TT pointing down. What is the average induced emf in the coil? Express your answer to two significant figures and include the appropriate units. E= ?
A coil 3.70 cm in radius, containing 600 turns, is placed in a uniform magnetic field that varies with time according to B=( 1.20x10-2 T/s )t+( 3.20x10-5 T/s* )t. The coil is connected to a 640 2 resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. Part A Find the magnitude of the induced emf in the coil as a function of time. O E = 9.86x10-3 V +( 1.05x10-4 V/s³ )t³ O E = 3.10x10-2 V +( 8.26×10-5 V/s )t3 O Ɛ = 3.10x10-2 V +( 3.30x10-4 V/s )3 O E = 9.86×10-3 V +( 3.30x10-4 V/s )t3 Part B What is the current in the resistor at time to = 4.60 s? Express your answer with the appropriate units. HA I = Value Units

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