Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 41PQ
A generator spinning at a rate of 1.20 × 103 rev/min produces a maximum emf of 45.0 V. At what angular speed does this generator produce a maximum emf of 64.0 V?
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Chapter 32 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 32.1 - To calculate the magnetic flux through the...Ch. 32.2 - Prob. 32.2CECh. 32.3 - Prob. 32.3CECh. 32.3 - Prob. 32.4CECh. 32.4 - Prob. 32.5CECh. 32.5 - Prob. 32.6CECh. 32.6 - Prob. 32.7CECh. 32.8 - Prob. 32.8CECh. 32.8 - Prob. 32.9CECh. 32 - A constant magnetic field of 0.275 T points...
Ch. 32 - Prob. 2PQCh. 32 - Prob. 3PQCh. 32 - Prob. 4PQCh. 32 - Prob. 5PQCh. 32 - Figure P32.6 shows three situations involving a...Ch. 32 - A rectangular loop of length L and width W is...Ch. 32 - The magnetic field through a square loop of wire...Ch. 32 - Prob. 9PQCh. 32 - Prob. 10PQCh. 32 - Suppose a uniform magnetic field is perpendicular...Ch. 32 - Prob. 12PQCh. 32 - A square conducting loop with side length a = 1.25...Ch. 32 - A The magnetic field in a region of space is given...Ch. 32 - A The magnetic field in a region of space is given...Ch. 32 - Prob. 16PQCh. 32 - Prob. 17PQCh. 32 - Prob. 18PQCh. 32 - A square loop with side length 5.00 cm is on a...Ch. 32 - A thin copper rod of length L rotates with...Ch. 32 - Figure P32.21 shows a circular conducting loop...Ch. 32 - Prob. 22PQCh. 32 - A square loop with side length L, mass M, and...Ch. 32 - Prob. 24PQCh. 32 - Prob. 25PQCh. 32 - Prob. 26PQCh. 32 - Prob. 27PQCh. 32 - A solenoid of area Asol produces a uniform...Ch. 32 - Two circular conductors are perpendicular to each...Ch. 32 - Two circular conducting loops labeled A and B are...Ch. 32 - Prob. 31PQCh. 32 - Prob. 32PQCh. 32 - Prob. 33PQCh. 32 - Prob. 34PQCh. 32 - Prob. 35PQCh. 32 - Find an expression for the current in the slide...Ch. 32 - The slide generator in Figure 32.14 (page 1020) is...Ch. 32 - Prob. 38PQCh. 32 - A thin conducting bar (60.0 cm long) aligned in...Ch. 32 - A stiff spring with a spring constant of 1200.0...Ch. 32 - A generator spinning at a rate of 1.20 103...Ch. 32 - Suppose you have a simple homemade AC generator...Ch. 32 - Prob. 43PQCh. 32 - Prob. 44PQCh. 32 - Prob. 45PQCh. 32 - Prob. 46PQCh. 32 - A square coil with a side length of 12.0 cm and 34...Ch. 32 - Prob. 48PQCh. 32 - Prob. 49PQCh. 32 - Prob. 50PQCh. 32 - Prob. 51PQCh. 32 - Prob. 52PQCh. 32 - Prob. 53PQCh. 32 - Prob. 54PQCh. 32 - Prob. 55PQCh. 32 - Prob. 56PQCh. 32 - Prob. 57PQCh. 32 - A step-down transformer has 65 turns in its...Ch. 32 - Prob. 59PQCh. 32 - Prob. 60PQCh. 32 - Prob. 61PQCh. 32 - Prob. 62PQCh. 32 - Prob. 63PQCh. 32 - A bar magnet is dropped through a loop of wire as...Ch. 32 - Prob. 65PQCh. 32 - Prob. 66PQCh. 32 - A circular coil with 75 turns and radius 12.0 cm...Ch. 32 - Each of the three situations in Figure P32.68...Ch. 32 - A square loop with sides 1.0 m in length is placed...Ch. 32 - Prob. 70PQCh. 32 - Two frictionless conducting rails separated by l =...Ch. 32 - Imagine a glorious day after youve finished...Ch. 32 - Prob. 73PQCh. 32 - A Figure P32.74 shows an N-turn rectangular coil...Ch. 32 - A rectangular conducting loop with dimensions w =...Ch. 32 - Prob. 76PQCh. 32 - A conducting rod is pulled with constant speed v...Ch. 32 - Prob. 78PQCh. 32 - A conducting single-turn circular loop with a...Ch. 32 - A metal rod of mass M and length L is pivoted...
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- A generator connected to the wheel or hub of a bicycle can be used to power lights or small electronic devices. A typical bicycle generator supplies 6.00 V when the wheels rotate at = 20.0 rad/s. (a) If the generator's magnetic field has magnitude B = 0.600 T with N = 100 turns, find the loop area A. (b) Find the time interval between the maximum emf of +6.00 V and the minimum emf of 6.00 V.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_forwardIf the coil of a generator has 120 loops with an area of 0.49 m², what is the maximum emf produced if the generator is rotating with an angular velocity of 3.6 rad/s and a magnetic field of 0.94 T?arrow_forward
- At what speed must the sliding rod as shown move to produce an emf of 1.00 V in a 1.50 T field, given the rod’s length is 30.0 cm?arrow_forwardA toroidal solenoid has a magnitude of induced emf of 10.3 [mV] when the rate of change of the current is 0.0250 [A/s]. How many turns does it have if the average flux through each turn is 0.00145 [Wb] when the current is 1.12 [A]?arrow_forwardA rectangular loop (area =0.15 m2) turns in a uniform magnetic field,B = 0.20 T.When the angle between the field and the normal to the plane of the loop is p/2 rad and increasing at 0.60 rad/s, what emf is induced in the loop?arrow_forward
- The flexible loop in the figure attached has a radius of 14 cm and is in a magnetic field of strength 0.14 T. The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.21 s to close the loop, what is the magnitude of the average induced emf (in mV) in it during this time? Answer in mVarrow_forwardCalculate the current flowing in a 50 mH - inductor if the energy stored in its magnetic field is 280 µJ. A.0.10583 A B. 0.3347 A C. 3.3466 A D. 0.0112 Aarrow_forwardA 80 cm long metal rod rotates about a fixed point at a constant rate or frequency of 5.0 rev/s. What should be the average linear speed (v) of the rod in a plane perpendicular to B, that contributes to the average emf between its ends? Group of answer choices 11.89 m/s 6.29 m/s 25.13 m/s 12.57 m/sarrow_forward
- A coil with an inductance of 2.6 H and a resistance of 8.2 Ω is suddenly connected to an ideal battery with ε = 110 V. At 0.14 s after the connection is made, what is the rate at which (a) energy is being stored in the magnetic field, (b) thermal energy is appearing in the resistance, and (c) energy is being delivered by the battery?arrow_forwardWhen the current in a toroidal solenoid changes at a rate of0.025 A/s, the magnitude of the induced emf is 12.0 mV. When thecurrent equals 1.50 A, the average flux through each turn of the solenoidis 0.003 Wb. How many turns does the solenoid have?arrow_forwardA 52-turn coil with an area of (5.5*10^-3)(m^2) is dropped from a position where B = 0.00 T to a new position where B = 0.55 T. If the displacement occurs in 0.25 s and the area of the coil is perpendicular to the magnetic field lines, what is the resulting average emf induced in the coil?arrow_forward
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