3. A coil of 1000 turns is wound on the central limb. The magnetic path from A to B by way of outer limbs have a mean length of 100cm each and an effective cross – sectional area of 5 sqcm. The central limb is 25cm long and 5sqcm cross – sectional area. The air gap is 0.8cm long. Calculate the current flowing through the coil to produce a flux of 0.3mWb in the air gap. The relative permeability of the core material is 800 (neglect leakage and fringing) -B-

3. A coil of 1000 turns is wound on the central limb. The magnetic path from A to B by way of outer limbs have a mean length of 100cm each and an effective cross – sectional area of 5 sqcm. The central limb is 25cm long and 5sqcm cross – sectional area. The air gap is 0.8cm long. Calculate the current flowing through the coil to produce a flux of 0.3mWb in the air gap. The relative permeability of the core material is 800 (neglect leakage and fringing) -B-

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

Question: 01 A two-legged core is shown in figure below. The winding on the left leg of the core (N) has 800 turns. The depth of the core is 15 cm. The small airgap is 0.05 cm and there is no fringing effect. If the dimensions are as shown, then determine the total reluctance of the given core when u, =800 and constant. 15cm 25cm 10cm 10cm 50cm N=800 5cm
In a certain cast-steel core series magnetic circuit with a 400 turns, 170 At/m, mean length of 0.16 m and 0. 002 square meters cross-sectional area. the value of current to develop a 0.0004 Wb is
How many ampere-turn are required to produce a field intensity of 4000 Ampere-turn/m in a magnetic circuit of length 4 mm ?
A magnetic ring has reluctance of 1.675 × 10⁰ AT weber. The flux to be produced by the coil is 800 x 10 webers, then the AT required for the m.m.f. will be
5. An iron core 0.4m long and 5 cm². In cross section, is wound with 300 turns. When a current of 0.5 A flows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.
The length of a magnetic circuit in a moving iron instrument is 300mm.The coil around the soft iron core has 360 turns and takes a current of 1.75A.The core is square in section with sides of 20mm.Take the relative permeability of soft iron as 1100. Determine the magnetomotive force in the core. Determine the field strength. Determine the flux density. Determine the total flux.
how many turns
The magnetic structure of Figure Q7 1 has a rerromagnetic core that can be treated as infinitely permeable Air-gap fringing Is negligible Let N= 10 turns, A=02 m and gap length is 0 = 5 x 10 m. The coil is excited by a sinusoidal voltage source that establishes a flux given by p(t) = 0.25stn20t Wb. The resistance of the coil can be neglected Determine the supply voltage, ), the current, (t) and the inductance of the coil, L. %3D Area, A ŁAir Vst) Figure Q7.1. Solutions insert your solutions in the spaces provided below. Give your numerical values to the nearest whole number unless where stated otherwise. Veft) = Volts t) = A. L= H (give your answer correct to 3 decimal places).
Example(6): A magnetic circuit containing an air gap is shown in Figure below. With the dimension as marked, calculate the current in the coil to establish a flux density of 0.6 T in the air gap. The core has the B - H characteristics. Repeat above but correct for fringing and lamination. Consider SF=0.95, FF 1.08 while is as above. 2 mm) A-5cm²
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.
3. Kindly show complete solution so that I can understand. Give the given and what is ask. Thank you
The toroid of Figure Po = 10 cm and a = 1 cm, what current is required to establish a magnetic flux of has a coil of 1000 turns wound on its core. If 0.5 mWb If the core is nonmagnetic 200 turns