EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
7th Edition
ISBN: 8220100663659
Author: ULABY
Publisher: PEARSON
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Chapter 6, Problem 12P
The electromagnetic generator shown in Fig. 6-12 is connected to an electric bulb with a resistance of 150 Ω. If the loop area is 0.1 m2 and it rotates at 3,600 revolutions per minute in a uniform magnetic flux density B0 = 0.4 T, determine the amplitude of the current generated in the light bulb.
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Chapter 6 Solutions
EBK FUNDAMENTALS OF APPLIED ELECTROMAGN
Ch. 6.2 - Explain Faradays law and the function of Lenzs...Ch. 6.2 - Prob. 2CQCh. 6.2 - Prob. 3CQCh. 6.2 - For the loop shown in Fig. 6-3, what is Vemftr if...Ch. 6.2 - Suppose that the loop of Example 6-1 is replaced...Ch. 6.4 - Suppose that no friction is involved in sliding...Ch. 6.4 - Is the current flowing in the rod of Fig. 6-10 a...Ch. 6.4 - For the moving loop of Fig. 6-9, find I when the...Ch. 6.4 - Suppose that we turn the loop of Fig. 6-9 so that...Ch. 6.5 - Contrast the operation of an ac motor with that of...
Ch. 6.5 - Prob. 7CQCh. 6.5 - Prob. 8CQCh. 6.7 - A poor conductor is characterized by a...Ch. 6.8 - When conduction current flows through a material,...Ch. 6.8 - Verify that the integral form of Ampres law given...Ch. 6.10 - Explain how the charge continuity equation leads...Ch. 6.10 - How long is the relaxation time constant for...Ch. 6.10 - Determine (a) the relaxation time constant and (b)...Ch. 6.11 - Prob. 7ECh. 6 - The switch in the bottom loop of Fig. P6.1 is...Ch. 6 - The loop in Fig. P6.2 is in the xy plane and B =...Ch. 6 - A coil consists of 100 turns of wire wrapped...Ch. 6 - A stationary conducting loop with an internal...Ch. 6 - A circular-loop TV antenna with 0.02 m2 area is in...Ch. 6 - The square loop shown in Fig. P6.6 is coplanar...Ch. 6 - The rectangular conducting loop shown in Fig. P6.7...Ch. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - A 50 cm long metal rod rotates about the z axis at...Ch. 6 - The loop shown in P6.11 moves away from a wire...Ch. 6 - The electromagnetic generator shown in Fig. 6-12...Ch. 6 - The circular, conducting, disk shown in Fig. P6.13...Ch. 6 - The plates of a parallel-plate capacitor have...Ch. 6 - A coaxial capacitor of length l = 6 cm uses an...Ch. 6 - The parallel-plate capacitor shown in Fig. P6.16...Ch. 6 - In wet soil, characterized by = 102 (S/m), r = 1,...Ch. 6 - An electromagnetic wave propagating in seawater...Ch. 6 - At t = 0, charge density v0 was introduced into...Ch. 6 - If the current density in a conducting medium is...Ch. 6 - Prob. 21PCh. 6 - If we were to characterize how good a material is...Ch. 6 - The electric field of an electromagnetic wave...Ch. 6 - The magnetic field in a dielectric material with ...Ch. 6 - Given an electric field E=xE0sinaycos(tkz), where...Ch. 6 - The electric field radiated by a short dipole...Ch. 6 - A Hertzian dipole is a short conducting wire...Ch. 6 - In free space, the magnetic field is given by...Ch. 6 - The magnetic field in a given dielectric medium is...
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- An iron cored coil with 1000 turns generates a magnetic flux of 500 µwb in the core while carrying an electric current of 50 A. What will be the self-inductance of the coil?arrow_forwardThe flux through a toroidal magnetic material is 6 µWb, and the magnetic field intensity is 12 A/m. The length of the magnetic path is 0.6 m, and it's effective cross-sectional area is 1.5x 10¯4m². Determine the coil's mmf in Amp Give your answers correct to 1 decimal places. Answer:arrow_forwardWhen one coil of a magnetically coupled pair has a current of 5 A, the resulting fluxes 11 and 12 are 0.40 mWb and 0.80 mWb, respectively. If the number of turns N1 and N2 are 500 and 1500, respectively, what is the self-inductance L2? a. 560 mH b. 1080 mH c. 540 mH d. 1060 mHarrow_forward
- can you do this question for me?arrow_forwardNotice that the voltmeter moves in response to the coil entering or leaving the magnetic gap. 2. Let's apply Faraday's Law to this situation. Faraday's Law says that the induced voltage (or emf ) in a loop of wire caused by a changing magnetic field is: ε=dΦ/dt Where Φ is the magnetic flux which is Φ=BA In this case, the magnetic field B is not changing. Instead, the changing flux is due to the motion of the coil changing the field-containing area A as it enters or leaves the magnetic gap: dΦ=BdA Given that the area immersed in the gap is changing as the coil enters the gap, what is the correct expression of Faraday's Law for this situation? That is, find the induced voltage as a function of quantities you can measure from the video. Hint: Some quantities to consider: Number of turns of the coil (nn); Velocity of the glider (vv); Magnetic field (or flux density) inside the magnetic gap (BB); Height of the coil (hh )arrow_forwardA coil of inductance 8mH, produces 80µWb of magnetic flux. Of this total flux, 60µWb are linked to a second coil of inductance 2mH, how much is the mutual inductance between coils?arrow_forward
- PLEASE ANSWER IT ASAP FOR AN UPVOTE. THANK YOU. Round off your answer into four decimal places .Box your final answer .Use SI unit. A magnetic circuit consist of silicon having a cross section of 1.5 sq. m and 0.1 m length and an air gap of the same cross section and pf 0.02 m length. what is the field intensity at the air gap if 0.5 A current flows through the 5000-turns coil? Assume the permeability of silicon steel is 3000.arrow_forwardDetermine the emf inducted in a coil that rotates its 1250 r/min. The coil has 60 windings and a length and width of 0.7 and 0.6 respectively. The pole shoe has an area and area of 0.4 meters squared and it moves through a magnetic flux of 36 mWbarrow_forwardA magnetic flux of 6 Wb-turn sets up in the coil, when a current of 3 A flows through it. What is the inductance of the coil ?arrow_forward
- 1.What type of energy comes out of a generator? A. Mechanical C thermal B. Electrical D. Potential 2. In what way is a DC generator different from an AC generator? A. The DC generator is operated by an applied voltage B. A DC generator follow Faraday's law while an AC generator works according to Lenz's law C. A DC generator creates an electric current that flows in one direction while the current produced in an AC generator flows in two direction alternately D. A DC generator creates an electric current that flows in a definite direction while the flow of current produced in an AC generator has no definite direction 3.The greater the number of loops in the coil of wire, the A. greater is the amount of friction which results in lower induced voltage. B. greater is the amount of heat produced c. greater is the amount of induced voltage produced D. smaller the magnetic field around the wire 4. All of the following are parts of an AC generator except A. Magnets C. commutators B. slip…arrow_forward4. A magnetic field strength of 5000 A/m is applied to a circular magnetic circuit of mean diameter 250 mm. If the coil has 500 turns find the current in the coil.arrow_forwardMagnets and Magnetic Circuitsarrow_forward
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