University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Question
Chapter 29, Problem 29.13DQ
(a)
To determine
The emf induced in the ring when the radius of the ring is doubled.
(b)
To determine
The electric field induced in the ring change when the radius of the ring is doubled.
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Check out a sample textbook solutionChapter 29 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 29.2 - The accompanying figure shows a wire coil being...Ch. 29.3 - (a) Suppose the magnet in Fig. 29.14a were...Ch. 29.4 - The earths magnetic field points toward (magnetic)...Ch. 29.5 - If you wiggle a magnet back and forth in your...Ch. 29.6 - Prob. 29.6TYUCh. 29.7 - Prob. 29.7TYUCh. 29 - A sheet of copper is placed between the poles of...Ch. 29 - Prob. 29.2DQCh. 29 - Prob. 29.3DQCh. 29 - Prob. 29.4DQ
Ch. 29 - A long, straight conductor passes through the...Ch. 29 - A student asserted that if a permanent magnet is...Ch. 29 - An airplane is in level flight over Antarctica,...Ch. 29 - Consider the situation in Exercise 29.21. In part...Ch. 29 - Prob. 29.9DQCh. 29 - Prob. 29.10DQCh. 29 - Example 29.6 discusses the external force that...Ch. 29 - In the situation shown in Fig. 29.18, would it be...Ch. 29 - Prob. 29.13DQCh. 29 - Small one-cylinder gasoline engines sometimes use...Ch. 29 - Does Lenzs law say that the induced current in a...Ch. 29 - Does Faradays law say that a large magnetic flux...Ch. 29 - Can one have a displacement current as well as a...Ch. 29 - Prob. 29.18DQCh. 29 - Match the mathematical statements of Maxwells...Ch. 29 - If magnetic monopoles existed, the right-hand side...Ch. 29 - Prob. 29.21DQCh. 29 - A single loop of wire with an area of 0.0900 m2 is...Ch. 29 - In a physics laboratory experiment, a coil with...Ch. 29 - Search Coils and Credit Cards. One practical way...Ch. 29 - A closely wound search coil (see Exercise 29.3)...Ch. 29 - A circular loop of wire with a radius of 12.0 cm...Ch. 29 - CALC A coil 4.00 cm in radius, containing 500...Ch. 29 - Prob. 29.7ECh. 29 - CALC A flat, circular, steel loop of radius 75 cm...Ch. 29 - Shrinking Loop. A circular loop of flexible iron...Ch. 29 - A closely wound rectangular coil of 80 turns has...Ch. 29 - CALC In a region of space, a magnetic field points...Ch. 29 - In many magnetic resonance imaging (MRI) systems,...Ch. 29 - The armature of a small generator consists of a...Ch. 29 - A flat, rectangular coil of dimensions l and w is...Ch. 29 - A circular loop of wire is in a region of...Ch. 29 - The current I in a long, straight wire is constant...Ch. 29 - Two closed loops A and C are close to a long wire...Ch. 29 - The current in Fig. E29.18 obeys the equation I(t)...Ch. 29 - Prob. 29.19ECh. 29 - A cardboard tube is wrapped with two windings of...Ch. 29 - A small, circular ring is inside a larger loop...Ch. 29 - A circular loop of wire with radius r = 0.0480 m...Ch. 29 - CALC A circular loop of wire with radius r =...Ch. 29 - A rectangular loop of wire with dimensions 1.50 cm...Ch. 29 - In Fig. E29.25 a conducting rod of length L = 30.0...Ch. 29 - A rectangle measuring 30.0 cm by 40.0 cm is...Ch. 29 - Are Motional emfs a Practical Source of...Ch. 29 - Motional emfs in Transportation. Airplanes and...Ch. 29 - The conducting rod ab shown in Fig. E29.29 makes...Ch. 29 - A 0.650-m-long metal bar is pulled to the right at...Ch. 29 - A 0.360-m-long metal bar is pulled to the left by...Ch. 29 - Prob. 29.32ECh. 29 - A 0.250-m-long bar moves on parallel rails that...Ch. 29 - Prob. 29.34ECh. 29 - Prob. 29.35ECh. 29 - A metal ring 4.50 cm in diameter is placed between...Ch. 29 - Prob. 29.37ECh. 29 - Prob. 29.38ECh. 29 - A long, thin solenoid has 400 turns per meter and...Ch. 29 - Prob. 29.40ECh. 29 - A long, straight solenoid with a cross-sectional...Ch. 29 - Prob. 29.42ECh. 29 - Prob. 29.43ECh. 29 - CALC In Fig. 29.23 the capacitor plates have area...Ch. 29 - Prob. 29.45ECh. 29 - A very long, rectangular loop of wire can slide...Ch. 29 - CP CALC In the circuit shown in Fig. P29.47, the...Ch. 29 - Prob. 29.48PCh. 29 - CALC A very long, straight solenoid with a...Ch. 29 - Prob. 29.50PCh. 29 - In Fig. P29.51 the loop is being pulled lo the...Ch. 29 - Make a Generator? You are shipwrecked on a...Ch. 29 - A flexible circular loop 6.50 cm in diameter lies...Ch. 29 - CALC A conducting rod with length L = 0.200 m,...Ch. 29 - Prob. 29.55PCh. 29 - CP CALC Terminal Speed. A bar of length L = 0.36 m...Ch. 29 - CALC The long, straight wire shown in Fig. P29.57a...Ch. 29 - CALC A circular conducting ring with radius r0 =...Ch. 29 - CALC A slender rod, 0.240 m long, rotates with an...Ch. 29 - A 25.0-cm-long metal rod lies in the .xy-plane and...Ch. 29 - CP CALC A rectangular loop with width L and a...Ch. 29 - CALC An airplane propeller of total length L...Ch. 29 - The magnetic field B, at all points within a...Ch. 29 - CP CALC A capacitor has two parallel plates with...Ch. 29 - Prob. 29.65PCh. 29 - Prob. 29.66PCh. 29 - DATA You are conducting an experiment in which a...Ch. 29 - DATA You measure the magnitude of the external...Ch. 29 - A metal bar with length L, mass m, and resistance...Ch. 29 - CP CALC A square, conducting, wire loop of side L,...Ch. 29 - BIO STIMULATING THE BRAIN. Communication in the...Ch. 29 - BIO STIMULATING THE BRAIN. Communication in the...Ch. 29 - It may be desirable to increase the maximum...Ch. 29 - Which graph in Fig. P29.74 best represents the...
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Similar questions
- Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will produce an emf =0 sin t. where 0=110V and 0=110V .arrow_forwardA circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.50 s, the magnetic field changes to the opposite direction with a magnitude of 0.040 T. What is the magnitude of the average emf induced in the loop? (a) 0.20 V (b) 0.025 V (c) 5.0 mV (d) 1.0 mV (e) 0.20 mVarrow_forwardA metal bar of length 25 cm is placed perpendicular to a uniform magnetic field of strength 3 T. (a) Determine the induced emf between the ends of the rod when it is not moving, (b) Determine the emf when the rod is moving perpendicular to its Length and magnetic field with a speed of 50 cm/s.arrow_forward
- A thin conducting bar (60.0 cm long) aligned in the positive y direction is moving with velocity v=(1.25m/s)i in a region with a spatially uniform 0.400-T magnetic field directed at an angle of 36.0 above the xy plane. a. What is the magnitude of the emf induced along the length of the moving bar? b. Which end of the bar is positively charged?arrow_forwardA conducting single-turn circular loop with a total resistance of 5.00 is placed in a time-varying magnetic field that produces a magnetic flux through the loop given by B = a + bt2 ct3, where a = 4.00 Wb, b = 11.0 Wb/s2, and c = 6.00 Wb/s3. B is in webers, and t is in seconds. What is the maximum current induced in the loop during the time interval t = 0 to t = 3.50 s?arrow_forwardFigure P23.58 is a graph of the induced emf versus time for a coil of N turns rotating with angular speed ω in a uniform magnetic field directed perpendicular to the coil’s axis of rotation. What If? Copy this sketch (on a larger scale) and on the same set of axes show the graph of emf versus t (a) if the number of turns in the coil is doubled, (b) if instead the angular speed is doubled, and (c) if the angular speed is doubled while the number of turns in the coil is halved. Figure P23.58arrow_forward
- A rectangular conducting loop with dimensions w = 32.0 cm and h = 78.0 cm is placed a distance a = 5.00 cm from a long, straight wire carrying current I = 7.00 A in the downward direction (Fig. P32.75). a. What is the magnitude of the magnetic flux through the loop? b. If the current in the wire is increased linearly from 7.00 A to 15.0 A in 0.230 s, what is the magnitude of the induced emf in the loop? c. What is the direction of the current that is induced in the loop during this time interval?arrow_forwardA flat loop of wire consisting of a single turn of cross-sectional area 8.00 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.500 T to 2.50 T in 1.00 s. What is the resulting induced current if the loop has a resistance of 2.00 ?arrow_forwardA parallel-plate capacitor with plate separation d is connected to a source of emf that places a time-dependent voltage V(t) across its circular plates of radius r0and area (a) Write an expression for the time rate of change of energy inside the capacitor in terms of V(t) and dV(t)/ dt. (b) Assuming that V(t) is increasing with time, identify the directions of the elecuic field lines inside the capacitor and of the magnetic field lines at the edge of the region between the plates, and then the direction of the Poynting vector S at this location. (c) Obtain expressions for the time dependence of E(t), for B(t) from the displacement current, and for the magnitude of the Poynting vector at the edge of the region between the plates. (d) From S , obtain an expression In terms of ‘(t) and dV(t)/dt for the rate at which electromagnetic field energy the region between the plates. (e) Compare the results of pails (a) and (d) and explain the relationship between them.arrow_forward
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