explain magnetic field due to a current carrying straight conductor
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✴➖✴
it depends on the current through the conductor & the distance of the point fromconductor.
✴➖✴
The magnetic field produced by a given current in the conductor decreases as the distance from the conductorincreases.
✴✴ see the above image..✴✴
Let P any point at a distance from centre of conductor.
dl the small current carrying element at point c at a distance r from point p.
α angle between r and dl.
l be the distance between centre of the coil and elementary length dl.
➖magnetic field due to current carrying element dl at point P➖
♪＼(*＾▽＾*)／＼(*＾▽＾*)／
✴➖✴
it depends on the current through the conductor & the distance of the point fromconductor.
✴➖✴
The magnetic field produced by a given current in the conductor decreases as the distance from the conductorincreases.
✴✴ see the above image..✴✴
Let P any point at a distance from centre of conductor.
dl the small current carrying element at point c at a distance r from point p.
α angle between r and dl.
l be the distance between centre of the coil and elementary length dl.
➖magnetic field due to current carrying element dl at point P➖
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Answer:
directly proportional to the current I passing through the wire
b proportional to I___________1
inversely proportional to the distance r from the wire
b proportional to l/R______2
the the magnetic field is stronger at a point which is nearer to the conductor and goes on decreasing on moving away from the conductor
B proportional to l/R
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