Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 32, Problem 20SP
(a)
To determine
The Emf across the 200-turn coil when the magnetic field is increasing at a rate of
(b)
To determine
The higher voltage terminal in a 200-turn horizontal coil, similar like the coil shown in figure 32-9(b), when a magnetic field
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
7 In Fig. 30-38, the magnetic flux
through the loop increases according to
the relation Pg = 6.02 + 7.01, where dg is
in milliwebers and t is in seconds. (a) What
is the magnitude of the emf induced in the
loop when t = 2.0 s? (b) Is the direction of •
the current through R to the right or left?
B'
15 o A square wire loop with
2.00 m sides is perpendicular to a
uniform magnetic field, with half the
area of the loop in the field as
shown in Fig. 30-43. The loop con-
tains an ideal battery with emf & =
20.0 V. If the magnitude of the field
varies with time according to B =
0.0420 – 0.870r, with B in teslas and
bat
tin seconds, what are (a) the net emf
in the circuit and (b) the direction of
the (net) current around the loop?
Figure 30-43 Problem 15.
(a) A bicycle generator rotates at 1875 rad/s, producing an 18.0 V peak emf. It has a 1.00 by 3.00 cm rectangular coil in a 0.640 T field. How many turns are in the coil? (b) Is this number of turns of wire practical for a 1.00 by 3.00 cm coil?
Chapter 32 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 32 - 15. Figure 32-9(a) depicts a two-turn horizontal...Ch. 32 - 32.16 [I] Figure 32-9(b) depicts a two-turn...Ch. 32 - 32.17 [I] Figure 32-9(a) depicts a two-turn...Ch. 32 - 32.18 [I] Figure 32-9(b) depicts a two-turn...Ch. 32 - Prob. 19SPCh. 32 - Prob. 20SPCh. 32 - Prob. 21SPCh. 32 - Prob. 22SPCh. 32 - Prob. 23SPCh. 32 - 32.24 [II] A room has its walls aligned accurately...
Ch. 32 - 26. A flat coil with a radius of 8.0 mm has 50...Ch. 32 - 27. The square coil shown in Fig. 32-11 is 20 cm...Ch. 32 - Prob. 28SPCh. 32 - Prob. 29SPCh. 32 - Prob. 32SPCh. 32 - 32.33 [II] A train is moving directly south at a...Ch. 32 - 32.34 [III] A copper disk of 10-cm radius is...Ch. 32 - 32.35 [II] How much charge will flow through a...Ch. 32 - Prob. 36SP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- An electric field of 140 x10-6 V/m is induced within the loop of long solenoid with cross sectional area of 3.09 cm2. The radius of the loop is 4.61 cm. Calculate the number of turns if the current in the winding is increasing at a rate of 85 A/s. Final answer should be expressed in two (2) decimal places. Round up or down accordingly. For the final answer, please write/include the unit, express you answer in "Turns" For example: 5 Turns DO NOT answer in exponential form.arrow_forwardA flat coil enclosing an area of 20 cm* 30 cm is rotating at 60 rev/sec, with its axis of rotation perpendicular to a 0.5 T magnetic field. (a) If there are 2000 turns on the coil, what is the maximum induced voltage in the coil. What is the instantaneous voltage at t= ππ/32 second.arrow_forwardA rectangular coil of effective area 0.1 m² is suspended freely in a radial magnetic field of induction 0.01 Wb / m². If the torque per unit twist of the suspension fibre is 5 × 10-⁹ Nm per degree find the angle through which coil rotates when a current of 200 µA is passed through it.arrow_forward
- An alternating voltage given as; V=100 √2 sin100t is applied to a capacitor of 1μF. Calculate the current reading on the ammeter. 7 A▾ B I In a coil of area 12cm^2 and 20 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of 10^4 T/s. The resistance of the coil is 1002. Calculate the current in the coil. 7 EEEE % 83 A- B I EE % 83 Sarrow_forwarddistance 10 cm. on a line inclined at 60° with Determine the magnetic potential at a point at axis of short magnet magnetic dipole moment 0.8 Am2 Ho = 107wb/Am) 4Tarrow_forwardA toroidal solenoid has 500 turns, cross-sectional area 6.25 cm2,and mean radius 4.00 cm If the current decreases uniformly from 5.00 A to 2.00 A in 3.00 ms, calculate the self-induced emf in the coil.arrow_forward
- 91 SSM In the circuit of Fig. 30-76, R = 20 kn, R2 = 20 N, L = 50 mH, and the ideal battery has & = 40 V. Switch S has been open for a long oll L. R R2 time when it is closed at time t = 0. Just after the switch is closed, what シー are (a) the current ibat through the battery and (b) the rate dipal dt? At t = 3.0 us, what are (c) ibat and (d) dipaldt? A long time later, what are (e) ibat and (f) dipal dr? Figure 30-76 Problem 91.arrow_forward11 A rectangular coil of N turns and of length a and width b is rotated at frequency f in a uniform magnetic field B, as indicated in Fig. 30-40. The coil is connected to co-rotating cylinders, against which metal brushes slide to make contact. (a) Show that the emf induced in the coil is given (as a function of time t) by 8 = 2mf NabB sin(2mft) = E, sin(27ft). This is the principle of the commercial alternating-current gen- erator. (b) What value of Nab gives an emf with E, = 150 V when the loop is rotated at 60.0 rev/s in a uniform magnetic field of 0.500 T? Sliding contacts - BX x x x x x x x x X X x x X X x X D. X/Xarrow_forward*.27 ILW As seen in Fig. 30-50, a square loop of wire has sides of length 2.0 cm. A magnetic field is di- rected out of the page; its magnitude given by B = 4.0/y, where B is in teslas, t is in seconds, and y is in me- ters. At t= 2.5 s, what are the (a) magnitude and (b) direction of the emf induced in the loop? B. Figure 30-50 Problem 27.arrow_forward
- Consider a flat rectangular coil with 150 turns. This coil is placed in a uniform magnetic field of 1.50 T with the plane of the coil parallel to the this applied field. Then this coil is rotated in 0.33 s from parallel position to a position where its plane perpendicular to the applied field. The dimension of rectangular coil is given by 10 cm x 40 cm. (1) What is the total magnetic flux through the coil before it is rotated? (ii) What is the total magnetic flux through the coil after it is rotated? (iii) What is the magnitude of the average emf induced in this coil during this rotation? fE- di doB dt E = » ØB = B · Ả At O a. (i) 0.90 Tm², (ii) 0.00 Tm², (iii) 2.73 V O b. (i) 0.90 Tm², (ii) 0.90 Tm², (ii) 27.3 V O c. (i) 0.00 Tm², (ii) 0.90 Tm², (ii) 2.73 V O d. (i) 0.00 Tm², (ii) 9.00 Tm², (iii) 27.30 V O e. (i) 0.90 Tm², (ii) 0.00 Tm², (ii) 2.73 Varrow_forwardAn alternator turns 1800 revolutions per minute. There are 300 turns and the magnetic flux in each turn is D-[30 (10 ) Wb] cos (ot). Determine the induced emf in the alternator as a function of time. Show all calculations clearly. As this alternator delivers power to a load, what maximum emf is it capable of producing? Justify your answer. (a) (b) Show transcribed image text An alternator turns 1800 revolutions per minutes. There are 300 turns and the magnetic flux in each turn is phiB = [30 (10^-3) Wb] cos (omega t). (a) Determine the induced emf in the alternator as a function of time. Show all calculations clearly. (b) As this alternator delivers power to a load, what maximum emf is it capable of producing? Justify your answer.arrow_forward(a) A coil of conducting wire carries a current of i(t) = 16.0 sin(1.20 x 10³t), where i is in amperes and t is in seconds. A second coil is placed in close proximity to the first, and the mutual inductance of the coils is 160 pH. What is the peak emf (in V) in the second coil? V (b) What If? Which would lead to a larger peak emf in the second coil, a doubling of the mutual inductance or a doubling of the frequency with which the current in the first coil changes? O Doubling the mutual inductance would lead to a larger peak emf. O Doubling the frequency with which the current in the first coil changes would lead to a larger peak emf. O The two changes would each have the same effect.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON