A flux of 0.5 mWb is produced by a coil of 900 turns that is wound on a ring core, with a current of 3 A flowingthrough it. What is the mutual inductance of the second coil with respect to the first coil, if a second coil of 600turns is uniformly wound over the first coil?. Assume that the two coils are perfectly coupled.O a. 1.15 HO b.0.10HO c. 1.04 HO d. 0.15 HNext pageype here to search

Mutual inductance of second coil with respect to first coil = Second coil turns×Flux produced by the…

Answered: A flux of 0.5 mWb is produced by a coil…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The magnetic core shown is made from laminations of M-5 grain-oriented electrical steel. The winding is excited with a 60-Hz voltage to produce a flux density in the steel of ẞ=1.5 sin wt T, where w=2 π 60≈ 377 rad/sec. The steel occupies 0.94 of the core cross-sectional area. The mass-density of steel is 7.65 g/cm³. Find the (a) the applied voltage, (b) the peak current, (c) the rms exciting current, and the core loss.
A 500-turn coil is wound on an iron core. When a 120-V-rms 60-Hz voltage is applied to the coil, the current is 1 A rms. Neglect the resistance of the coil. Determine the reluctance of the core. Given that the cross-sectional area of the core is 5 cm2 and the length is 20 cm, determine the relative permeability of the core material.
1. A flux of 1,500,000 Maxwell links a coil having 350 turns. This flux through the coil is A of decreased to zero at a uniform rate in 0.2 secs. Determine the induced emf during the time interval.? 2. A coil of of 1000 turns wound on a torroidal magnetic core having a reluctance of 10^6 AT/Wb. When the coil current is 5A and is increasing at the rate of 200 A/s, determine energy stored in the magnetic circuit.? Assume coil resistance is zero.
A 200-turn coil is immersed in a 60-Hz flux with an effective value of 4 mWb. Obtain an expression for the instantaneous value of the induced emf. If a voltmeter is connected between its two ends, what will be the reading on the voltmeter?
A DC Machine running at 1200 rpm has its eddy and hysteresis losses at 125 and 250 W respectively. At constant flux, if the total core losses are reduced by 50%, find the speed at this condition.
Consider a ferromagnetic ring (nucleus) that has a mean circumference of 40 cm, 300coiled copper turns and a sectional area of 5 cm2. A current of 2 is appliedA to winding, producing a flux of 1.5 mWb.Determine the permeability of the core material.Determine the relative permeability of the core material.If the ferromagnetic ring has an air gap of 2 mm. Find the required MMFso that the flux density in the gap is 0.5 T.
For a motor design, you need to design a solenoid coil that produces a magnetic flux density (B) of at least 2000 gauss when a 10 mA current flows through the conductor. Due to space limitations, the coil only can be 10 turns over a 1 cm length. To obtain the needed performance, go to Table 3 and choose a core material for the coil.
Given a two magnetically coupled coils -coils physical structure is P11=P22 -self-inductance of coil 1: 288mH -coefficient of coupling: 0.75 -mutual inductance: 90mH -wound on a nonmagnetic core Determine the turns ratio N1/N2 BLANK If N1 =1200, what is the value of P1? BLANK micro
A ferromagnetic material has a remanence of 1.5 T and a coercivity of 50,000 A/m.Saturation is achieved at a magnetic field intensity of 200,000 A/m, at which the fluxdensity is 2.5 T. Using these data, sketch the entire hysteresis curve in the rangeH= −200,000 to +200,000 A/m
Figure below shows a simple alternator, a device that generates an emf. A rectangular loop is rotated with constant angular speed ω about the axis shown. The magnetic field is uniform and constant. At time t = 0, φ= 0. Determine the induced emf. Draw the evolution of ε and ΦB in above situation, and using loops explaining what is the relation between the two at different time intervals. What possible problems you see with your output of emf? How will you cure them? What changes are needed here to convert this alternator into a DC Generator? Why are they called DC Generators?
Given a two magnetically coupled coils -coils physical structure is P11=P22 -self-inductance of coil 1: 288mH -coefficient of coupling: 0.75 -mutual inductance: 90mH -wound on a nonmagnetic core Determine the turns ratio N1/N2 If N1 =1200, what is the value of P1? in micro
A flux of 25 mWb links with a 1500 turn coil when a current of 3 A passes through the coil. Calculate a) the inductance of the coil, b) the energy stored in the magnetic field, and c) the average Electromotive force (emf) induced if the current falls to zero in 150 ms.

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