Physics Question: Determining Magnetic Flux & Induced EMF

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SUMMARY

The discussion focuses on calculating magnetic flux through a rectangular loop positioned under a wire carrying a current "I". To determine the magnetic flux, one must first find the magnetic field generated by the current using the formula for an infinite straight line of current. The induced electromotive force (EMF) is calculated when the current changes over time, specifically following the equation I = a + bt, where b = 10.0 A/s. The dimensions of the loop are given as height = 1 cm, width = 10 cm, and length = 100 cm.

PREREQUISITES
  • Understanding of magnetic flux and its calculation
  • Familiarity with the Biot-Savart Law for magnetic fields
  • Knowledge of Faraday's Law of electromagnetic induction
  • Basic calculus for integration over the area of the loop
NEXT STEPS
  • Study the Biot-Savart Law for calculating magnetic fields from current-carrying wires
  • Learn about Faraday's Law of electromagnetic induction and its applications
  • Practice integration techniques for calculating magnetic flux over different geometries
  • Explore the relationship between changing current and induced EMF in circuits
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Students of physics, educators teaching electromagnetism, and anyone interested in understanding the principles of magnetic fields and induced EMF in electrical circuits.

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can someone pls help me on a physics question??...i've read my text 2 times and still can't figure this out!...how do you determine the magnetic flux through a loop due to a current "I"??...it's a loop under a wire carring a current...then calculate the induced emf when the current is changing with time according to I=a+bt, a and b are constants...b=10.0A/s h=1cm, w=10cm, l=100cm...then determine the direction of the current in the loop (rectangle)...if anyone can help me with this, it would be greatly appreciated:)...thanks in advance for your help...
 
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Originally posted by tstar2
...how do you determine the magnetic flux through a loop due to a current "I"??...it's a loop under a wire carring a current...
Find the magnetic field generated by the current (there's probably a formula in your book for the magnetic field do to an infinite straight line of current). Integrate that over the area of the loop. Is the loop a rectangle? That would simplify the integration tremendously.
 

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