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Published byLindsay Thornton Modified over 9 years ago
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Investigation of resonance phenomena in LC circuit
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Theory Photo Table Graph Analysis
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Circuit LC - connection series mA I
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Z is minimum if The impedance of this circuit is : It is a resonance frequency in LC circuit connected in serial
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Analysis. LC connected in serial. Theory shows that impedance of the circuit depends of the frequency and that this function has a minimum. The aim of this experiment was to investigate how an alternating current change follow the frequency. As you see, the minimum of this function exist and is between 380Hz and 390Hz. In this experiment inductivity and capacity were : L=36mH, C=4.7 F. Using formula: We receive:
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Circuit LC - connection parallel mA
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The impedance of this circuit is : Z has a maximum when The resonance frequency of the parallel LC circuit I has a maximum when
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Analysis. LC connected in parallel. The impedance of the circuit is frequency dependent and this function has a maximum. The maximum occurs when I 3 has a minimum at approximately between 380 to 390 Hz. In this experiment inductivity and capacity were : L=36mH, C=4.7 F. Using formula: We receive:
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