Ohm’s Law
March 05, 2025 • EPISODE 255
What is Ohm’s Law, and how does it work? In this Science LIVE episode, Roger Billings simplifies it for students! Explore electricity basics as he explains the connection between voltage, current, and resistance with real-world examples and practical tips.

About DrB
Dr. Roger Billings is a visionary innovator whose work has touched the lives of millions of students and transformed the landscape of education. Widely known as “DrB” to the countless kids who benefit from his groundbreaking Acellus learning system, Dr. Billings has dedicated his life to advancing education through technology.
As part of DrB’s lifelong commitment to supporting education, Science LIVE was launched as a way to “give back” by mentoring students in conjunction with the Roger Billings Scholarship Program.
Read more about DrB »
About the Roger Billings Scholarship Program »



This video explains how electricity functions. I understand it way better now.
That is awesome I didn’t know oms law was a thing its really cool that it’s possible.
Dr.Rogers is so funny and easy to listen to
Always learning something new and interesting to the mind. Thank you
Great episode, Dr. Billings! Loved how you broke down Ohm’s Law in such a simple and practical way. The real-world examples really help connect the dots between voltage, current, and resistance. Perfect for students and science enthusiasts alike!
I learned a lot from this lesson today I really enjoyed this episode thank you.
I learned a lot today and terms I didn’t even know about !
I learned things about current, voltage, and resistance that I didn’t know before watching this lesson. It was interesting and makes me want to learn more about this subject.
I’ve always thought optical AI was always so interesting.
WOW! this was my favorite Live yet! Very interesting and super neat 👌🏼
yet another amazing episode. I can’t believe how much I learned about Ohm’s law! I especially found the miming hilarious.
I loved the history about the mouse.
Learning from Dr. Rogers is one of my favorite parts of this school.
Interesting video, I also love your guys humor lol!
Thank you this helped a lot with learning more about resistors.
I learned a lot about Ohm’s law in this episode it was very nice Thank You.
I learned the basic premise about Ohm’s law from this video.
I enjoyed learning about Ohm’s Law. Thank you!
Hi! My name is Emma Brinlee! Do you think that Roger billings will ever end up creating and teaching all types of science and make it a class for all ages to expand their science knowlage and graduate a class like this?
r.51 yay
What a cool lesson! I learned so much about electricity! This was such a great video!
I learned a lot about electricity and batteries, and Dr. Rogers is so funny.
Wow, that a really interesting how Ohm’s work in our daily life.
I’ve learned a lot today about Ohm’s law. I found the lesson interesting.
Thank youuu!!!
I love Tobias!
I loved this video I learned a lot thank you, Dr. Roger Billings. Sincerely Madison
I enjoyed the lesson thank you I enjoyed the lesson thank you 😁😁😁
Can someone tell me when the first episode of R-51 aired? I can’t seem to find when r-51 began!
Ohm’s Law is interesting!
I enjoy these I just might need a day in a life with DrB!!
Thanks so much for another great Science Live.
The john Goodenough joke was so funny.
Stanley Whittingham, John Goodenough, and Akira Yoshino all worked together to create the modern battery. That is interesting because I always thought only one person invented it.
these are so much fun to watch and learn
This is a cool video
I learned a lot from this episode about Ohm’s law. I’ve always enjoyed learning new things, so thank you, Dr. Rogers! 🙂
I’ve never heard of Ohm’s Law. Love this episode
The Ohm’s law is really interesting
This is the first time I’ve heard of Ohms law, it’s interesting!
I really enjoy when Roger talks, it is always so interesting
I enjoyed learning about Ohm’s law! I love these videos, thank you!
Ohm Law is a very cool concept!
The way he explains it is by far the most informative
I learned about the relationships between voltage, current, and resistance in a circuit.
I enjoyed learning about Ohm’s Law.
I don’t think I’ve ever heard of Ohm’s Law before this, so thank you for giving me something new and interesting to look into as much as I can!
The cardboard cutout was so funny, thank you for always putting a smile on my face. I also love how you give students the spotlight and the opportunity to tell their stories and providing the support that you do. Thank you so much for this Live!
I really enjoyed this episode and how we learned about the Ohm’s Law. How we calculate the voltage, current and resistance in an electrical circuit. I enjoy the way Dr. Roger presents the martial.
I really enjoyed this episode and enjoyed learning about batteries.
Thank you Dr Rogers.
This was a very interesting lesson and I really enjoyed it this week!
Dr Joshua is right we should study hard because that’s how we get good grades
I am quite excited to check out the Acellus store!
The analogy demonstrated by Dr. Billings made it really easy to comprehend.
Why do color LED lights make or us different voltage?
I learned a lot about electricity and about Ohm’s Law. Interesting my entire house is electric even my heat !
very interesting science live
I love Science and watching these videos.
Love the jokes!
Thank you for the information on the relationship between voltage, current, and resistance in electrical circuits, it was very interesting!
Great lesson, enjoyed learning about Ohm’s Law!
I really love watching this episode. I love the subject about voltage and electricity it’s been really interesting special since I live near so many powerlines and I’m gonna buy a voltage reader to make sure I’m not getting too much voltage near my home.
I also think Science is like magic.
I’ve enjoyed this lecture.
Thanks for the lesson roger!
How can I start earning gold coins?
I learned so much from this episode. I love watching these!!
I learned a lot from this episode very fun and engaging!
I really enjoyed learning about ohms law.
I like magic too!
I learned a lot from this episode, thanks for sharing how you explain the connection between voltage, current, and resistance.
The ohms law describes the relationship between voltage, current, and resistance in an electrical circuit.
thank you formaking learning fun with these videos.
Thank you for teaching me more about electricity and how it works.
The jokes in this episode made me laugh and I actually learned so much about electricity and seen all the wires getting hooked up.
Excellent episode!
I think it’s super cool how the battery has evolved over time.
Wow, this was great! Loved the video!
I like how you’ve shared how computer algorithms can analyze photos in order to figure out what they are, I hear alot about Ai but i’ve never really thought too much about how they actually work. Very interesting!
This video was very educational. I loved it.
when Dr. tobias teaches it makes things in a way fun to learn or more investing and interesting.
I learned a lot and I thought it was funny.
Ohm’s Law is so interesting! You guys always make it so funny! I’m from Georgia and was enrolled into Acellus Academy and I am in 5th grade I love science live! Can you make one explaining about what exoplanets are made of?
Red to red, black to black
Head fun learning bout Ohms law in HVAC, very good explanation in this live.
I love when Ms. Monet laughs
This video was interesting. Thank you for making the illustrations clear and easy to understand,
We use electricity everyday and this lesson helped explain it in a way I understand. I love the real life examples.
OHMs are certainly interesting, but Dr. Billings made is even more interesting and seem less of a challenge.
Loved this weeks science live!!
I enjoyed learning about about Ohm’s Law
Thank you for the video on Ohm’s Law, Dr.B
I’m really interested in OHM”S law it is extremely exciting to see how my electronic devices work. Also I like the jokes they always cracks me up. I want to be many things when I get older and learning about OHM’S law helps me get where I want, and Technology class I never finished so I really appreciate how I can learn it with out do the class but of course I do school every it’s just that I got stuck on a problem and couldn’t skip it. But thank you Dr Roger Billings for teaching me more about OHM’S law.😀
Wow I never knew about this law. Well done for breaking it down so I could understand.
I learned a lot about Ohm’s law
I enjoyed and learned listening to Ohm’s Law. Thank you!!
I like the relationship between voltage and current, and resistance in an electrical circuit. Thank you
Great topic and episode. I learned something new.
You make it easy to understand and entertaining.
This is awesome
all this sceince is mind blowing
When was Ohm’s law invented and by whom?
I learned a lot from this episode about Ohm’s Law
Love that Area 51 portion.
It’s amazing how AI has come so far and has instantly come a part of our daily lives.
I learned so much thank you so much
I never knew about Ohm’s law before, but it makes a lot of sense like how a charger requires two points of energy. A shop? What is the currency trades on Gold to real life dollars?
I want to learn to make my own battery
Batteries make more sense when you said how hard the battery is pushing.
I learned so much from this episode and thought it was very funny.🤣
Best lesson I’ve learned
i really enjoyed watching this episode they always make it fun and entertaining 🙂
Illustrating how battery works using a water pump helped.
Electricity is awesome, loved this video. I love science so much.
This is so fascinating!! This has helped me learn so much about how energy works. Thank you
l learned a lot thank you Dr Rogers.
I enjoyed this episode!
It was interesting learning about electricity.
I love how everything is split into sections which makes it easier to digest, this episode was also quite entertaining.
I love how he explains it and doesn’t just tell us.
I learned a lot from Ohm’s Law. Awesome!
I’ve never actually learned how ohm’s law specifically works so this was nice to learn.
I’ve only heard of ohms law briefly and never really looked into it, this episode made me learn a lot.
this is so cool i am so excited for the store!!
I really enjoyed this lesson espially the part about Ohm’s law. Thanks !
Learned lots from this episode about Ohm’s Law today. Thanks!
i enjoyed this lesson learning about Ohm’s law 🙂
As someone who’s doing S.T.E.M, your easy and funny explanation of resistors and their uses in the regular world were not only helpful, but extremely entertaining. I enjoyed watching this episode!
I learned a lot of new terms from this video.
This was a great lesson, I love how jokes are included in every video.
I learned alot about Ohm’s law . Thank you
I never heard about Ohm’s Law. This was so fun
i learned a lot in this video
I’ve never heard of Ohm’ s law before! Thanks for the lesson.
The live was great and interesting information about Ohm’s law and electricity.
I learned a lot in today’s lesson, such a good lesson to learn about, thank you Dr. Rogers!
V=IR
describes the relationship between voltage, current,and resistance in an electrical circuit
Very interesting stuff. Thank you
I enjoyed learning about voltage and electrical currents
This was a very unique lesson and I enjoyed learning about Ohm’s Law.
Ohms Law is very interesting.
I loved learning about the lesson on Ohm’s Law it was entertaining and fun
I really liked and appreciated how Tobias explained Lithium role in batteries!
Learned something new today!
Thank you for explaining Ohms law i haven’t been able to understand it until this lesson thank you Dr B!
I also appreciate Dr Tobias explaining how battery’s work.
Homerun law? R-51 That’s not a thing silly !
Learning about the Ohm’s Law was really interesting!
I learned a lot from this episode about Ohm’s Law. I’ve always enjoyed learning new things so thank you Dr. Rogers!
I loved learning about this, Ohm’s Law is so interesting. Thank you!
I laughed so hard when he mimed the water pump motions, pfff. I always love seeing Dr. Rogers!
I learned a lot today about how electricity works and learned lots of new terms!
I enjoyed learning about Ohm’s Law. Thank you!
WOW! What a great lesson.
I have been experimenting with resistors, but didn’t know how to
calculate the resistance of different electronic devices. This will help
me a lot to use other resistors in different scenarios
I love how he starts every episode with a joke!
Thank you for going at a slower pace, it helps me understand better.
Science is so fun. Electricity has many components.
I’ve never heard of Ohm’s Law. This is all pretty cool. I like working on things and messing around with electricity, so I loved this week’s video.
I had fun lerning all about Ohm’s law I found it very interesting
The explanation of voltage, current, and resistance was amazing and very fun it watch. Showing us how they play a role in our daily lufe including showing us examples.
This video is very interesting , I like how everyone explains how Ohm’s Law work and what it does. I have never heard of it before so for me I just learned something new in this video.
i really love Tobias he always cracks me up.
Thanks for this awesome video Mr. Billings!
This is so fascinating
Electricity is so cool!
Hello everyone
I already learned about home’s law in one of my classes thanks for teaching me more about it
I apologize for the late view I’m certainly interested to see how the OHM’s
laws work
Learning about ohms was interesting.
The way Dr. Tobias demonstrates and explains the cellphone battery is very interesting.
This was so cool and I love science! Im going to be a scientist when I grow up.
Ai is really cool and high tech!
that’s pretty awesome I didn’t know OMS law was a thing its really cool that you can do that
Love this episode about homes law
ohh that’s awesome!!
I enjoyed the lesson.
I never heard of that before