Question B4a) The strength of the magnetic field B at a distance r from a straight conductor car-is the permeabilityrying a current I is given by the expression B =of free space with the value 4n × 10-7 NA-2. Two long straight wires are linedup parallel to one another at a separation of 0.2 m. Currents of 4 A and 2 A flowthrough the wires, both in the same direction. Calculate the value of the magneticfield strength due to the two wires at a point P on the mid-plane between them.where2rb) Calculate period of a small satellite which is making a circular orbit just outside aplanet of density 4.0 × 10³ kg/m³. Provide the answer in SI units and in hours. Usethe value of the universal gravitational constant 6.7 x 10-11 N kg-2m-2.c) A mass of 0.01 kg is suspended from a light spring of natural length 80 mm andcauses the spring to extend by 10 mm. The mass is pulled down a further 5 mmand then released. Assuming g = 9.8 m/s², calculate:i) the spring constant.ii) the period of the resulting simple harmonic motion.iii) the velocity and kinetic energy of the mass as it passes through the stableequilibrium position.

Given DataI1=4AI2=2AB=μoI2πr ***as per our company policy we are supposed to do only 1 question if…

a) The strength of the magnetic field B at a distance r from a straight conductor car- is the permeability rying a current I is given by the expression B = of free space with the value 4 × 10-7 NA-2. Two long straight wires are lined up parallel to one another at a separation of 0.2 m. Currents of 4 A and 2 A flow through the wires, both in the same direction. Calculate the value of the magnetic field strength due to the two wires at a point P on the mid-plane between them. where 2rr

a) The strength of the magnetic field B at a distance r from a straight conductor car- is the permeability rying a current I is given by the expression B = of free space with the value 4 × 10-7 NA-2. Two long straight wires are lined up parallel to one another at a separation of 0.2 m. Currents of 4 A and 2 A flow through the wires, both in the same direction. Calculate the value of the magnetic field strength due to the two wires at a point P on the mid-plane between them. where 2rr

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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