Subjects

Knowunity AI

Open the App

Subjects

Tecnología e InformáticaTecnología e Informática108 views·Updated Jun 19, 2026·1 page

Ley de Ohm: Conceptos y Ejercicios Resueltos

user profile picture
Luciana Borja@lupiflan

La Ley de Ohmes una de las reglas más...

1
of 1
41 03 24
# Ley de OHM

Hase, neferencia a la relación ya existe entre entendad y
vollase toque en directamente proporcional a I unversivamen

Ley de Ohm - Conceptos y Ejercicios Prácticos

¿Sabías que cada vez que cargas tu celular estás viendo la Ley de Ohm en acción? Esta ley te dice que la intensidad de corriente (I) y el voltaje (V) son directamente proporcionales, pero inversamente proporcionales a la resistencia (R).

La fórmula básica es V = I × R, pero puedes reorganizarla según lo que necesites calcular. Si quieres encontrar la corriente, usas I = V/R. Si buscas la resistencia, entonces R = V/I. ¡Es como tener tres herramientas en una!

Miremos algunos ejemplos reales que te van a ayudar mucho. Para un LED rojo con 0,015 mA de corriente y una resistencia protectora de 100 ohmios, el voltaje ideal es 1,5 voltios. Cuando conectas dos LEDs en serie con 24 voltios, necesitas una resistencia de 800 Ω para protegerlos.

💡 Dato clave: Recuerda las unidades - corriente en amperios (A), voltaje en voltios (V) y resistencia en ohmios (Ω). Un calentador de 40 Ω conectado a 110V consume 2,75 amperios de corriente.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content in Tecnología e Informática

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user

Tecnología e InformáticaTecnología e Informática108 views·Updated Jun 19, 2026·1 page

Ley de Ohm: Conceptos y Ejercicios Resueltos

user profile picture
Luciana Borja@lupiflan

La Ley de Ohm es una de las reglas más importantes en electricidad que vas a usar constantemente. Te explica cómo se relacionan el voltaje, la corriente y la resistencia en cualquier circuito eléctrico de forma súper práctica.

1
of 1
41 03 24
# Ley de OHM

Hase, neferencia a la relación ya existe entre entendad y
vollase toque en directamente proporcional a I unversivamen

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

Ley de Ohm - Conceptos y Ejercicios Prácticos

¿Sabías que cada vez que cargas tu celular estás viendo la Ley de Ohm en acción? Esta ley te dice que la intensidad de corriente (I) y el voltaje (V) son directamente proporcionales, pero inversamente proporcionales a la resistencia (R).

La fórmula básica es V = I × R, pero puedes reorganizarla según lo que necesites calcular. Si quieres encontrar la corriente, usas I = V/R. Si buscas la resistencia, entonces R = V/I. ¡Es como tener tres herramientas en una!

Miremos algunos ejemplos reales que te van a ayudar mucho. Para un LED rojo con 0,015 mA de corriente y una resistencia protectora de 100 ohmios, el voltaje ideal es 1,5 voltios. Cuando conectas dos LEDs en serie con 24 voltios, necesitas una resistencia de 800 Ω para protegerlos.

💡 Dato clave: Recuerda las unidades - corriente en amperios (A), voltaje en voltios (V) y resistencia en ohmios (Ω). Un calentador de 40 Ω conectado a 110V consume 2,75 amperios de corriente.

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.

Where can I download the Knowunity app?

You can download the app in the Google Play Store and in the Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content in Tecnología e Informática

9

Most popular content

9

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user