Day 25 Last ->Laboratory Experiments of inductor, capacitor, and resistor; Teacher demo of Various V and I vs time graphs with the change of inductor or capacitor or delta frequency. Transformer, Useful Chart>

Shown calculation steps for frequency for Irms and wattage.

Setup all connected in series of RLC circuit 

Setup calculation with ending a percent error analysis.

2 measurement separately for different circuit first RLC.

5000 and 5 second setting for frequency and time frame

 More setup dialog checks

Result of series inductor circuit

Capacitor linked in circuit

Capacitor connected in series detected by Logger Pro

Both conductor capacitor and inductor shown red is inductor and blue is capacitor.

Change decrease frequency by 10 hertz inductance go down for inductor circuit. and Result of changing 60-10hz amplitude goes down by equation 1/2 XL=1/2/pi/f

10 hertz below amplitude go up

10 hertz below amplitude go up

Inductor 16 hertz

Transformer experiment

Outside of Wall Wart

A wall wart(AC adapter) was passed around the class for examination of eddy currents (undesired) and electrodynamical transformations of energy.    A transformer is made of two inductors linked together by an iron core(best if laminated). The iron core manipulates the magnetic flux from one inductor to the other. Eddy currents are the undesired currents created by the changing magnetic field. The Eddy currents increases energy lost and the solution to this is to laminate the plates of the iron core because laminated layer reduces the size of the induced loop and therefore reduces the amount of energy lost. 

Useful Chart

List of equations relative to impedance(R) and phase angles with Resistor, Inductor, and capacitor: with RL, RC, RLC circuit. 

Transformer is made up 2 conductors made up of 2 conductors iron cores

Hook it up alternating voltage->current -> field 

coil reversing 60hz and magnetic field up and down

Magnetize iron core: turn it to U magnet 

Day 24 ->Alternating Circuits and Phase change of sinusoidal waves, Lab resistor V, I vs time, and V vs I graphs

Alternating Circuits and Phase change of sinusoidal waves.

Alternating Currents and Voltages graph

First result of percent error of resistor

Percent error of resistor using Vmax and logger pro probes. 

Result of solving percent error of resistor using formulas and derived recombined formulas

First result of the percent error of resistor 

Graphs of Voltage vs time, Current vs time, and Potential vs Current

List of formulas used to solve frequency frequency, Irms, and efficiency

Laboratory procedure for inductor with AC input source

Data and calculation for inductor with and without core

Analysis of alternating circuits

The AC RC circuits

For last part of lab, RC circuit powered by AC was closed with capacitor and resistor both connected to function generator. The multimeter was the measurement device and voltimeter and current meter both connected to the Logger Pro. The total resistance within circuit is the Total impedance, Z value. By using formula Z can be listed and derived as below equations.

Equations derived for Z values