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Damian King
Registrace 9. 06. 2010
Yr11 Physics Mock 2019
Qu 1 - 0:00:14
Qu 2 - 0:06:14
Qu 3 - 0:09:57
Qu 4 - 0:16:26
Qu 5 - 0:24:32
Qu 6 - 0:35:26
Qu 7 - 0:43:10
Qu 8 - 0:54:50
Qu 9 - 1:12:12
Qu10- 1:16:18
Qu11- 1:18:43
Qu 2 - 0:06:14
Qu 3 - 0:09:57
Qu 4 - 0:16:26
Qu 5 - 0:24:32
Qu 6 - 0:35:26
Qu 7 - 0:43:10
Qu 8 - 0:54:50
Qu 9 - 1:12:12
Qu10- 1:16:18
Qu11- 1:18:43
zhlédnutí: 1 160
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Here is a link to download the spreadsheet shown on the video: goo.gl/fVLun4 (Open the link and then click on the arrow on the top middle of the screen to download)
AQA PRAC Angle of B field with hall probe
zhlédnutí 10KPřed 8 lety
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AQA PRAC Force on a wire in magnetic field
zhlédnutí 7KPřed 8 lety
AQA PRAC Force on a wire in magnetic field
yoooo
😂 i love that rick roll u added in the google document
NICE!
Awesome experiment! However you need a lot of dices. You can use pencils instead: czcams.com/video/qLZ9Dke7Rtg/video.html
awesome stuff
Danke!
What a video!
lol
Why do you do 50 * 120 instead of 50 / 120?
Jet question.
If I am thinking of the right part of the video; it’s because there are 7200 bullets per minute = 120 billets per second. Therefore the change in P per second is 50 (per bullet)*120(number of bullets per second). Hope that makes sense
@@damianapking Right okay I understand, thank you!
494 subs
Cheers Damian this helped a lot with my practical. Your use of maths and linearisation was the best I've seen online. Wish your video came up first.
Great video but how do you work out the In total ?
liked and subbed. this is a very big help for quarantined learning.
yoooooo this vid was absolutly narlyey duuuuuuuuuuuuuuude oh yeaeaeaeaeh corona time boiiiiiii
Thanks
wow!!! so helpful. deserves way more subscribers
very helpful. Thank you.
NICE!
NICE!
What a guy, so helpful
NICE!
Damian I have just inherited a Hall probe like the one you used, minus any data - such as the thickness t or the charge density n. Philip Harris cannot supply any instructions or dat sheet, do you have any information like this you could provide for me? I would like to be able to calculate Magnetic field strength from the equation V = BI/ net, many thanks, Graham graham.gottard@acgedu.com
Sorry, I couldn’t find that data either.
Bit slow but great video, I like how you structured it (including the before and after rather than just the experiment). Thanks!
25/02/19
What was the set voltage you used?
Thanks Sir for making this video, really useful
When will the merch be released?
Absolute yeet for so many of these tests
Brilliant! Thank you!
niceeeeeeeeeeeee
Thankyou for sharing
interesting
Why did you use those lengths
This is such a good video and perfectly explained the experiment, thank you so much!
Holler if you're here for experiment planning.
Hehe 1 year later
Hehe 1 year later
thanks so much for this :D
These videos are so helpful. Thank you so much.
Thank you so much for these practicals! I always find it so hard to recall all the practicals I did months ago when it comes to revision but your excellent playlist is helping me a lot. Your hard work is GREATLY appreciated!!!!!! ;)
What material is the wire that retracts?
normally nitinol.
Thank you for this video. Very clearly explained
First
wow...
lit
this is going to be a fun year
too bad we had to use the search coil in school...the hall probe looks soooo much easier to use!!!
surely if u squared both sides at 1.11 shouldn't the time period be squared too????
DW just saw the correction lol
The left-hand rule is a flow of conventional current which is positive but electrons flow in the wire so the force would be acting downwards not upwards as you stated right?
no, current drawn on diagrams always refers to the positive conventional current unless stated otherwise.
The Diagram shows the flow of conventional current. The reason for Damian's confusion is that the force on the *wire* is upwards, so the Newton's Third Law reaction force on the cradle is downwards.
Thank you very much! Most helpful video I've ever seen!! seeing the experiment in real makes a huuuge difference
Actually for both experiments, the results are completely opposite to what I thought they would be...help plssssss
I'm really puzzled by the search coil experiment, why voltage is minimum when the search coil is is perpendicular? Wouldn't this give a minimum flux linkage so a maximum emf?
You are right. It was because the hall probe chip was not aligned to the arm of the hall probe. You could think of this as 90 degrees systematic error!
The only hint to their force being correct is that the left hand rule is about the force on the current only. What isn't specified in this is that the wire is held in place. If the wire is held in place, then the only observable force is the reaction force of the cradle to pushing the wire upwards, causing the cradle to be pushed down