How Do You Calculate the Length of Wire in a Generator Coil?

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SUMMARY

The discussion focuses on calculating the length of wire in a generator coil with 80 turns, a magnetic field strength of 0.35 T, and an rms emf of 120 V at a frequency of 60.0 Hz. The relevant equations include the peak voltage calculation (Vpeak = sqrt(2) * 120 = 169.71 V) and the angular frequency (w = 2π * 60 = 376.99 rad/s). The user successfully derived the necessary parameters to determine the length of the wire, confirming the solution process after initial confusion.

PREREQUISITES
  • Understanding of electromagnetic induction principles
  • Familiarity with the formula for induced emf (E = NABωsin(ωt))
  • Knowledge of angular frequency calculation (w = 2πf)
  • Basic proficiency in trigonometric functions and their applications in physics
NEXT STEPS
  • Explore the derivation of the formula for induced emf in more detail
  • Learn about the physical significance of each variable in the induced emf equation
  • Investigate the effects of varying the number of turns and magnetic field strength on emf
  • Study practical applications of generator coils in electrical engineering
USEFUL FOR

Students in physics or electrical engineering, educators teaching electromagnetic theory, and professionals designing or analyzing generator systems.

thompson.1674
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Homework Statement


A generator uses a coil that has 80 turns and a 0.35 T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (an approximation), determine the length of the wire from which the coil is made.


Homework Equations


E=NABwsinwt
w=2pif



The Attempt at a Solution


Vpeak=sqrt2 * 120= 169.71
w=2pi(60)=376.99
169.71=80*A*.35*376.99*(sin367.99*t)
but where do i go from here?
 
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nevermind i got it
 

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