A Level Physics Revision All of Electrical Circuits (in 53 minutes)

This is excellent A Level Physics revision for all exam boards including OCR A Level Physics, AQA A level Physics, Edexcel A Level Physics, CIA Cambridge International A Level Physics, Eduqas etc.

Chapters:
00:00 Series and parallel circuits - Kirchoff's Laws
07:01 Kirchoff's Laws example
10:43 Combining Resistors in series and parallel
13:50 Deriving the equations for combining resistance
16:33 Adding resistors example
17:53 Analysing Circuits - Example 1
24:19 Analysing Circuits - Example 2
31:41 Internal Resistance
36:13 Internal Resistance experiment
39:20 Potential Dividers
46:30 LDR and Thermistors examples

[kingzmash]

Thank you for this, you provide SO much value with your hard work. I hope you take over Physics A level on YT ;)

[carmenalonso]

I've never understood electricity properly until now, it finally clicked!! Thank you so much!

[akirawan]

Been really struggling with electricity. This video has broken it down so well for me and I feel my knowledge gaps have been filled.

[puddleduck]

THANK YOUUU. haha im watching this a few hours before my y12 exams

[whatchickens_]

almost all my classmates use your resources, probably the best physics revision channel for A levels on youtube, many thanks

[maiamarcou]

your videos are incredibly helpful, it feels like im really understanding this for the first time!! thank you so much for all your hard work :)

[TKgreatest]

By FAR the best teacher, keep it up man!

[ayoadeneye]

This was really really good, thank you very much sir, your physics videos have been so useful :)

[miasruonanlia]

I was hardly able to understand physics in general especially circuits however to prepare for my resit paper a few days ago, i used this video and circuits became so easy for me. I am actually confident in answering questions now! Thank you so much for all your a level videos, helped me prepare so well :) I'm finally able to understand the physics concepts and i have high hopes for the unit 1 + 2 paper i just gave 👍

[azmanfaruqui]

Love the explanation and the vid...I left tution because ur explanation is enough...thank u much sir..ur a lifesaver

[Rayyjan]

Thank you so much man now i feel way better for my mock tomorrow :D

[chrislin-cboe]

Big Fan from China, u really help a Chinese international student a lot, thank u so much

[gnnr]

This was was my worst topic, this video helped so much thank you thank you thank you!!

[BTAviation]

Electricity finally clicked thanks to you, thank u so much 🙏

[basic-ly]

I was confused at 30:40 because I counted resistor a and b to be parallel to c and d and thought that if resistors a and b are getting 24V in total from emf, then since c and d are parallel they will also have 24V. My mistake was including Resistor A as being included in parallel branch!

[cheyannramma]

43:35 its 540 ohm not volt. Great video keep it up

[rrailz]

Why at 21:59 are both the resistors in parallel equal to 2.7V? Isn’t the total potential difference in parallel shared and not the same for each resistor? Shouldn’t 2.7V=V12+V36 ?

[azmanfaruqui]

For parallel I prefer using the formula R¹xR²/R¹+R²..it's the extra enhanced of the formula in the video

[shadowdragon]

I'm enjoying this playlist so far, do you know if there are any topics missing for AS? Or does this playlist cover basically everything for AS physics. I do OCR A too.
Thanks!!

[jamiecroll]

At the end when you do he themistor and LDR examples, if you know that the resistance of the thermistor goes down, can you just straight away say that the voltage goes down using the potential divider equation in the formula book? Since the ratio of R2 and R1 + R2 decreased. Or do you have to go through each of those steps you stated?