Day 26

In this class, we learned the RLC circults. In a RLC circult, it connects resistance, inductance, and capacitor. And we do a problem First the resonance frequency was found. Then the current was found at a resonance frequency of 3 kHz. Afterwards the power dissipated at that current was found. We use Pavg because power is stored, not dissipated.

Resonance in RLC Circuit

An RLC circuit was set up, the theoretical resonance frequency can be solved by using values of the inductor and capacitor found with the multimeter. And we use the function generator to find the experimental resonance frequency

In the part two, the experimental impedance was found by the measured values from the multimeter, from the formula Z=((R^2 + (Xl-Xc)^2)^1/2. Finally that value was comparedto the theoretical value of impedance; Z=R.

In part three, the theoretical frequency and experimental frequency were found using LoggerPro. As we can see on the graph, there is a phase angle difference of 180 degrees. If the frequency was increased, the amplitude decreases when measuring across the capacitor and the amplitude increases when measuring across the inductor.

When we increase the frequency, amplitude decrease when measure capacitor. And amplitude decrease when measure inductor.

Transformers

 A transformer is made by making two inductors together by two coil. The coil redirects magnetic flux in one inducto to other one, then other one produces a field too, so that the second coil will produce a current. Since, the second coil produce a voltage and gain energy. from first coil.