Investigating Resistance of a Wire

The purpose of examining the wire resistance is to investigate how wire resistance depends on length and find the wire length necessary to obtain the required resistance. Prediction: If we increase the resistance wire length, we expect to increase the resistance. We anticipate that this will occur due to a preliminary investigation we discovered that resistance lines can be gathered together in a series circuit to obtain a higher resistance value.

Examining the resistance of a wire is the name of the wire's resistance to the tendency of electrons to travel through the wire. The greater the resistance generated by the electron, the greater the voltage required to drive the current through the wire. The resistance value is defined by the following equation. Resistance on resistor R (R) = p · db <Current through wire (I) <Tab /> Important factors have many factors that can influence. Temperature, current, line thickness, line length, line resistance. When the temperature rises, atoms in the wire begin to vibrate. That is, since they react electronically, the temperature affects the resistance. The problem with this method is that it is difficult to change the temperature of the wire and keep it at the same constant temperature.

In this survey we investigate the impedance of the wire against the current and identify the factors that affect wire resistance. There are five main factors that affect wire resistance. They are as follows: 1) wire material. 2) Wire length 3) Wire thickness (diameter). 4) Temperature of the wire 5) Voltage of the circuit However, my survey shows only two different factors that affect wire resistance.

I decided to study how the length affects wire resistance. This means that you need to control other factors (variables). This means that the same type of wire, the same wire material (useful for determining this in preliminary experiments), the same cross-sectional area must be maintained and the wire temperature must be kept constant as the resistance rises as the temperature rises It means. I must manage these factors to ensure fair testing. We conducted preliminary experiments to determine the optimum wire for use in experiments. I tested two lines, copper wires and household wires that are commonly used in electronic circuits. Each wire of the same length was tested to determine the range of voltages that could be used for the experiment before the wire was heated (the resistance increased as the temperature increased). Copper begins to heat up to about 0.50 volts and nickel-chromium alloy begins to heat up to about 00 volts.