The magnetic core in Figure 3. has a mean core length of 80 cm, and its uniform cross-sectional area is 10 cm?. The relative permeability of the core is 1,500, and an AC voltage source e(t) =60 cos(120 t )V is connected across the coil of N = 100 turns. Obtain an expression fo n the core and the current in the coil.

The magnetic core in Figure 3. has a mean core length of 80 cm, and its uniform cross-sectional area is 10 cm?. The relative permeability of the core is 1,500, and an AC voltage source e(t) =60 cos(120 t )V is connected across the coil of N = 100 turns. Obtain an expression fo n the core and the current in the 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...

See similar textbooks

Similar questions

Derive the self-inductance of ideal ac magnetic circuit in terms of the physical parameters of the circuit.
Amagnetic circuit has an average length of 1.4 m and a cross-sectional area of 0.25 m2. Excitation is provided by a 140 -turn, 30-Q, coil. Determine the voltage required to establish a flux density of 1.56 T. The reluctance of the magnetic circuit, when opera ting at this flux density is 768 A-t/Wb.
We want to investigate how the field strength will be with air as dielectric and with steatite. A plate capacitor is placed in a 24 kV network between phase and ground. The relative permittivity of air is &=1 and for steatite &-6. The plate capacitor has area = 1m². The distance between the electrodes is 2 mm. Ep = 8.854-10-12 F/m A=1m² d=2mm a) Calculate the maximum field strength in the plate capacitor. (Answer: 9.8kV/mm) b) What is the capacitance of the capacitor if we use steatite? (Answer: C = 26.6nF)
Besides lower electrical conductivity, suggest a reason why ruthenium is not used inelectrical transmission wires. Give a detailed response
Eddy currents can be induced only in metals that are not ferromagnetic, for example, copper and aluminium. Select one: True False
6 6 - A dielectric is a material that is: A) a semiconducting B) a nonconducting C) a superconducting D) none of them E) a conducting
Electrical Engineering B-H curve of magnetic material is given. find maximum BH value step by step solution plz! Step-by step plz H.=-20[KA/m] Tip: B=5x(0$H+I[T] I CBH) = Value of H that becomer O ANS: -5000 [J/m']
Adding a core of magnetic material to an electromagnet: Select one: allows greater current to flow. decreases AC impedance. greatly increases the inductance. eliminates the magnetic poles.
Biot-Savart law expresses the magnetic flux intensity produced by a dc electrical current Select one: O a. True b. None of the above O c. False
A magnetic flux density of 2.5 sin314t Tesla from the core with a cross section of 40 cm2 wandering. Accordingly, in 200 sipir and 45 sipir coils wrapped on the core Find the voltage that will occur.