Magnetic Field Calculation

VITEEE 2015 Preparation › Electricity and magnetism questions › Magnetic Field Calculation

i am getting 6 answer given is 2

#Physics #Electricity and magnetism

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2 Answers

21

Swaraj Dalmia ·2012-03-23 05:03:23

i_lower=2
1_upper=4
B=10^-7i*(cosÎ¸1+casÎ¸2)/d
As magnetic field by each wire is just diff. in direction and proportional to i.The magnetic field by lower(reflection) is cancelled,and net current can be assumed as 2 in upper and 0 in lower.
B net=3*(10^-7*2*(1/2+1/2)/√3)=2√3*10^-7
B⁰=2

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262

Aditya Bhutra ·2012-03-23 07:17:15

thanx swaraj , i had taken d = 1âˆš3 by mistake.

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