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ILCPA > Volume 44 > On a Technique to Relate EMF & Rate of Change...
On a Technique to Relate EMF & Rate of Change of Magnetic Flux
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On a Technique to Relate EMF & Rate of Change of Magnetic Flux

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Abstract:

Faradays law of Induction is the principle of generating electricity in Hydro, Thermal, Wind and Nuclear power stations. In this paper we present a method to study the relationship between induced electromagnetic force (EMF) and the rate of change of Magnetic field and hence to verify this principle. This method involves the rotation of a magnet fixed to a rotor at different angular speeds and to find the EMF induced in the copper coil kept close to the rotor. The data collected is plotted in MATLAB. The results show that Induced EMF is directly proportional to the rate change of Magnetic flux with a correlation coefficient of 0.98.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 44)
Pages:
50-56
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.44.50
Citation:
V. H. Doddamani et al., "On a Technique to Relate EMF & Rate of Change of Magnetic Flux", International Letters of Chemistry, Physics and Astronomy, Vol. 44, pp. 50-56, 2015
Online since:
January 2015
Authors:
Vijaykumar H. Doddamani, K.H. Raveesha, B.K. Prasad, Ruchita Kumari
Keywords:
Coil, Magnet, MATLAB, Rotor
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Open Access

Creative Commons License
This work is licensed under a
Creative Commons Attribution 4.0 International License

References:

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Erik Hallen, Electromagnetic Theory, London, Chapman & Hall, 1962 ( Received 07 December 2014; accepted 21 December 2014 ).

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