Calculate the flux density due to a circular conductor of radius 100nm and current 5A in air.(a) 10(b) 100(c) 0.1(d) 1I had been asked this question during an interview for a job.Origin of the question is Magnetization in portion Magnetic Forces and Materials of Electromagnetic Theory

Calculate the flux density due to a circular conductor of radius 100nm

1.	Calculate the flux density due to a circular conductor of radius 100nm and current 5A in air.(a) 10(b) 100(c) 0.1(d) 1I had been asked this question during an interview for a job.Origin of the question is Magnetization in portion Magnetic Forces and Materials of Electromagnetic Theory
Answer» RIGHT choice is (a) 10 The explanation is: The FIELD intensity of this conductor is I/2πR and since B = μH, the flux density will be B = μI/2πR. PUT I = 5 and R = 100 x 10^-9, thus we get B = 4π x 10^-7x 5/(2π x 100 x 10^-9) = 10 UNITS.

Discussion

No Comment Found

Related InterviewSolutions

Calculate the reluctance of a material with length 2π x 10^-4 in air with area 0.5.(a) 1(b) 10(c) 100(d) 1000The question was asked in an interview for internship.This key question is from Magnetic Energy and Circuits in division Magnetic Forces and Materials of Electromagnetic Theory
Ampere turn is equivalent to which element?(a) Sφ(b) S/φ(c) φ/S(d) SThe question was posed to me by my college director while I was bunking the class.I'm obligated to ask this question of Magnetic Energy and Circuits in section Magnetic Forces and Materials of Electromagnetic Theory
Calculate the reluctance of the material with a mmf of 3.5 units and flux of7units.(a) 32.5(b) 10.5(c) 0.5(d) 2I had been asked this question during an internship interview.I'm obligated to ask this question of Magnetic Energy and Circuits in chapter Magnetic Forces and Materials of Electromagnetic Theory
The resistance in a magnetic material is called as(a) Capacitance(b) Inductance(c) Reluctance(d) Magnetic resistanceThis question was addressed to me in examination.The query is from Magnetic Energy and Circuits in division Magnetic Forces and Materials of Electromagnetic Theory
The flux lines of two energised coils overlapping on each other will give(a) Series aiding(b) Shunt aiding(c) Series opposing(d) Shunt opposingThe question was asked in an interview for job.The above asked question is from Magnetic Energy and Circuits topic in division Magnetic Forces and Materials of Electromagnetic Theory
The energy in a magnetic material is due to which process?(a) Emf(b) Magnetization(c) Magnetostriction(d) PolarizationI had been asked this question by my college professor while I was bunking the class.This intriguing question comes from Magnetic Energy and Circuits topic in section Magnetic Forces and Materials of Electromagnetic Theory
The induced emf in a material opposes the flux producing it. This is(a) Faraday law(b) Ampere law(c) Lenz law(d) Curie lawI have been asked this question in a job interview.Origin of the question is Magnetic Energy and Circuits in section Magnetic Forces and Materials of Electromagnetic Theory
The magnetic energy of a magnetic material is given by(a) BH/2(b) B/2H(c) H/2B(d) B/HThe question was asked during an internship interview.My enquiry is from Magnetic Energy and Circuits topic in section Magnetic Forces and Materials of Electromagnetic Theory
Find the inductance of a coil with turns 50, flux 3 units and a current of 0.5A(a) 150(b) 300(c) 450(d) 75I have been asked this question in semester exam.I'm obligated to ask this question of Inductances in chapter Magnetic Forces and Materials of Electromagnetic Theory
Calculate the mutual inductance of two tightly coupled coils with inductances 49H and 9H.(a) 21(b) 58(c) 40(d) 49/9I had been asked this question in an interview.My doubt is from Inductances topic in chapter Magnetic Forces and Materials of Electromagnetic Theory

Calculate the flux density due to a circular conductor of radius 100nm and current 5A in air.(a) 10(b) 100(c) 0.1(d) 1I had been asked this question during an interview for a job.Origin of the question is Magnetization in portion Magnetic Forces and Materials of Electromagnetic Theory

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment