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# Lab5 - And we also got the voltage on inductor by using...

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EE 201 Lab5 Tian Gu Code:721 Team partner: Tielong Su Chaojun Zhang Introduction     :    In this lab, we focused on inductors, and calculating and measuring of  . And we τ   also have some comparisons between capacitors and inductors. For example, their rise time and  fall time in both parallel and series combinations.  LCR meter We received the inductors from TA and used LCR meter to evaluate the value of the inductor. We  changed the value L= 25mH which was given to us on the guide. “Charging” and “discharging” of the inductor 1. We built the circuit as usual, and Set the square wave by oscillate  +5V to -5V period of 200us channel 1 We adjusted the voltage and time and got the new graph,

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which was very similar with the graph of charging in capacitors,    (What we got from Lab 4, capacitors)

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Unformatted text preview: And we also got the voltage on inductor by using channel 2, and we also compared with the previous capacitor’s graph, (What we got from Lab 4, capacitors) So, according to V(t)=Vfinal*(1-, When =L/R τ , 10V∙[ 1 – exp(–1)] = 1.32 V, so measured the time between -5V and 1.32V, Rise time (-5V~1.32V) 10.2µs Fall time (-1.32V~-5V) 10.2µs Make your own Inductor In this part, we got too small inductor and could not find more material to make a inductor with higher measurement. Parallel and series combination We got, Inductance of first inductor, Inductance of second inductor, Parallel combination: the total inductance is = 14.55 mH Series combination: the total inductance is = 58.22 mH...
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Lab5 - And we also got the voltage on inductor by using...

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