O que é RESISTÊNCIA ELÉTRICA? Veja na PRÁTICA!

Discover in practice what electrical resistance is, how it affects electrical current and electrical voltage, and understand why it is impossible to talk about one without mentioning the other. In this video, we show visually and practically how Ohm's law works, using copper and aluminum electrical conductors to compare their differences in resistance. Using real measurements with a multimeter, we highlight the impact of resistance on the value of the current, reinforcing essential concepts for electricians, technicians and engineers in the electrical field. BECOME A MEMBER 🢂 https://eletri.ca/diretor MORE CONTENT HERE 🢂    / mundodaeletrica   You will see how aluminum resistance and copper resistance behave under the same conditions, exploring concepts such as high and low electrical resistance, in addition to the influence of factors such as humidity, dry soil and moist soil on the resistance value. With simple examples such as water flow and car traffic, the explanation gains easy-to-understand analogies, facilitating technical learning. The use of a multimeter, practical tests and the construction of an assembly with dry and damp soil make this content essential for those who want to understand how electrical resistance can decrease or vary depending on the environment. The video also reinforces the importance of this knowledge for safety and for the correct sizing of electrical installations. 0:00 - 1:09 Introduction and conceptual explanation of electrical resistance 1:09 - 2:22 Ohm's law, comparison between materials and practical tests with a multimeter 2:22 - 2:54 Current measurements and variations with different resistances 2:54 - 3:55 Practical assembly with dry soil, multimeter and measurement in ohms 3:55 - 4:42 Test with damp soil, drop in resistance and connection with electric shock Among the objectives of this video, we highlight: Explain the concept of electrical resistance through Ohm's law. Compare the resistance of copper and aluminum conductors with practical tests. Demonstrate how factors such as humidity and soil type influence electrical resistance. Topics covered: Concept and function of electrical resistance. Difference between copper and aluminum resistance. Multimeter measurements on conductors and soil. Influence of humidity (dry vs. wet soil) on electrical resistance. Practical applications of Ohm's law with a focus on electricians. List of similar videos: All videos from Mundo da Elétrica:    • O que é RESISTÊNCIA ELÉTRICA? Veja na PRÁT...   Experiments and projects with electricity! :    • O que é RESISTÊNCIA ELÉTRICA? Veja na PRÁT...   The Best of the World of Electricity :    • O que é RESISTÊNCIA ELÉTRICA? Veja na PRÁT...   Participating in this video: Henrique Mattede https://eletri.ca/henrique Video editing: Bruno Almeida Pereira (Morgado) Script: Bruno Almeida Pereira (Morgado) #ElectricResistance #Ohm'sLei #Conductors -- The World of Electricity is an electricity, electrical and electronics channel with videos for you to learn on your cell phone, computer, tablet or even on your living room TV. Electricity for everyone! Electrical diagram reading courses to help you become a professional electrician! Online electrical classes, PDF manuals, electrical diagrams and explanations about NR10, current, voltage, power and other concepts! MUNDO DA ELÉTRICA ON OTHER NETWORKS INSTAGRAM:   / mundodaeletrica_   TECHNICAL SITE: https://www.mundodaeletrica.com.br TELEGRAM CHANNEL: https://telegram.me/mundodaeletrica FACEBOOK:   / mundodaeletrica   TWITTER:   / mundodaeletrica   LINKEDIN:   / mundo-da-elétrica