DC Circuit Lab Report

Satisfactory Essays
Purpose:

The purpose of this experiment is to study the basics of a direct current circuit. There are several parts to this experiment, where resistors are set up as parallel, series or both. We measure the potential difference and current measured by voltmeter and ammeter respectively. Also, we set up a Wheatson Bridge to measure the unknown resistor.

Equipment:

Voltmeter PCC 000218
Galvanometer PCC 000180
Resistance Boxes PCC 000128, PCC 001363, and PCC 001373
Multimeter PCC 000115 and PCC 001322
Power Supply PCC 000180
Ammeter PCC 001613
Linear Resistor With Sliding Scale PCC 000697
Wires

Data and Analysis:

Discussion:

The percentage error that we get for all for parts of the experiment ranges from 0.611% to 6.40%. These possible sources of error were machine malfunctions and human error. The machine could not have been hooked up correctly or the equipment could not have been up to date. Human error could include writing the values down wrong, misusing the materials, or reading the scale carelessly. To improve the experiment, we can use all digital meters instead of scales and replace the equipment that we use with better and newer ones. For human error, we should pay more attention and carefully set up the equipment.

Conclusion:

The purpose of this experiment is to set up a circuit in such a way that we can get least error. This experiment gives us the chance to apply the theories that we get from our textbooks and lectures about DC Circuits. The percentage errors were reasonable amounts. The percentage errors we got for all 5 parts of the experiments, part I, part II(a), part II(b), part III, and part IV are: 5.20%, 0.611%, 6.40%, 5.11%, and

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