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Physics as level electricity question
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ironfist3124
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https://www.ocr.org.uk/Images/643867...in-physics.pdf
Question 8 in this paper: The resistances of each resistor is shown. All resistors are made from the same material and have the same diameter the mean drift velocity of the charge carriers in the 100 ohm resistor is v find the mdv of the charge carriers in the 300 ohm resistor.
I couldn’t put a picture of the circuit here, so I attached a link to the paper. I have been stuck with this for a while so any help is appreciated!
Question 8 in this paper: The resistances of each resistor is shown. All resistors are made from the same material and have the same diameter the mean drift velocity of the charge carriers in the 100 ohm resistor is v find the mdv of the charge carriers in the 300 ohm resistor.
I couldn’t put a picture of the circuit here, so I attached a link to the paper. I have been stuck with this for a while so any help is appreciated!
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Jake9920
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I can tell you the correct answer but my exam board doesn't do questions like this so I can't really give you help sorry!
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ironfist3124
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(Original post by Jake9920)
I can tell you the correct answer but my exam board doesn't do questions like this so I can't really give you help sorry!
I can tell you the correct answer but my exam board doesn't do questions like this so I can't really give you help sorry!
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Jake9920
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#4
(Original post by ironfist3124)
Thanks but I already know the answer just don’t know how to get to it
Thanks but I already know the answer just don’t know how to get to it
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ironfist3124
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#5
(Original post by Jake9920)
It might have something to do with ratios but I'm not sure - could you ask your teacher?
It might have something to do with ratios but I'm not sure - could you ask your teacher?
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Hallouminatus
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If the question were about current instead of drift velocity, it would be a GCSE level question. The additional knowledge required here is the relationship between current and drift velocity, which if you don't know, you could probably guess correctly.
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ironfist3124
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(Original post by Hallouminatus)
If the question were about current instead of drift velocity, it would be a GCSE level question. The additional knowledge required here is the relationship between current and drift velocity, which if you don't know, you could probably guess correctly.
If the question were about current instead of drift velocity, it would be a GCSE level question. The additional knowledge required here is the relationship between current and drift velocity, which if you don't know, you could probably guess correctly.
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Hallouminatus
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#8
(Original post by ironfist3124)
yeah I did use current and got 0.4 but I got it for the 200 ohm resistor not the 300 ohm resistor
yeah I did use current and got 0.4 but I got it for the 200 ohm resistor not the 300 ohm resistor
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