Current And Resistance Lab
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Current and resistance lab. In this experiment you will change the voltage and resistance in a circuit and observe the results. A complete lab write up includes a title a purpose a. In this lab you re going to dive further into circuits. If you get stuck we have a knowledge base that answers common questions.
The circuit with the higher resistance will allow less charge to flow meaning the circuit with higher resistance has less current flowing through it. This means when the voltage increases the current will always increase as long as there is no resistance or if the resistance stays the same. You will calculate simulate build test and compare these for a serial parallel resistive network and voltage and current dividers. Physics lab report 7 lab 7 lab 2 lab lab 11 spherical mirrors and lenses lab 3 resistivity lab report lab 8 magnetic field of a slinky solenoid lab 2 ohm s law lab report preview text ohm s law experiment objectives to verify ohm s law and experimentally verify the relationship between current voltage and resistance in a circuit.
In lab 2 you will measure voltage and current. Please read the instructions for a campaign before you get started. For example in my experiment i increased the voltage from 5v 10v 20v 35v to 50v while keeping the resistance the same so the current increased every time the voltage increased. New to resistance labs.
Voltage current and resistance. This brings us back to georg ohm. First you re going to use a relay an electrical switch that allows you to turn on and off parts of your circuit. To determine the mathematical relationship i e equation relating the voltage current and resistance in a simple circuit.
Unit 2 lesson 8. Unmeasured variables such as temperature are critical as they could alter the linearity of the relationship. V ir 1 where r is the resistance in ohms. Which states that power is the rate at which energy is transferred and converted to another form of energy.
What is the mathematical relationship between voltage current and resistance. The power equation proves that power is proportional to either current and voltage so any increase or decrease in either would result in the same change of the power. Ohm s law states a correlation between voltage v volts and current i amps if a resistor rests within a current range and does not heat up. Ohm defines the unit of resistance of 1 ohm as the resistance between two points in a conductor where the application of 1 volt will push 1 ampere or 6 241 10 18 electrons.
February 13 2020 allison lassiter 2 comments. The major theories of this lab are the power equation p iv and the definition of power. Current and resistance laboratory according to ohm s law current resistance and voltage are all related to each other.