Amperes Law
Question:
Find the magnetic field at P due to given arrangement of current carrying wire
..Plz solve by Amperes law ...
PFA
What's the mistake indeed ?
As the correct answer is 2√2ui/πa
10 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.ampere's circuital law inaccurate, usme maxwell ka correction lagta hai (for line current, it only gives correct B when the wire is infinitely long 🤣)
pls only trust biot savart for such questions
Could you tell why Amperes circuital law is inaccurate here and what exactly is Maxwell correction ?
@lmaodedXD
Yess
,At the first glance I did by Biot Savarts law but then the Amperes law just striked my mind ...
i just know the formula you add
some constants* d(electric flux)/dt to the original RHS ( Unot I) pls google it 🗿
You're applying the Ampere Circuital Law incorrectly. Treat the sides of the square as a separate wire in itself. at point P, the Magnetic field will be into the frame if you use the convention by Biot Savart's law. Once you have a direction, draw a circle concentric to the centre of the wire. The vector dl will be along the circumference of the circle.
still ampere ciruital doesn't find the correct B for finnite length ki wire
is this figured out?
+ solved @Mohit
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