OCR Physics A Exam - G482 Electrons, Waves, Photons [09/06/16] Watch

MARCOS908
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#141
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#141
(Original post by EpicTree)
yeah I thought it was for a single one of those so i put 50mA but people are saying 1A so im scared
In the unofficial mark scheme is 1 Amp fuse
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Hasib98
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#142
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#142
(Original post by MARCOS908)
In the unofficial mark scheme is 1 Amp fuse
so it is 1A?
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MARCOS908
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#143
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#143
(Original post by Hasib98)
so it is 1A?
Looks like it
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Brokensteps
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#144
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#144
(Original post by EpicTree)
yeah I thought it was for a single one of those so i put 50mA but people are saying 1A so im scared
I put in 500mA. RIP
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EpicTree
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#145
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#145
(Original post by Brokensteps)
I put in 500mA. RIP
rip marks lol
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Brokensteps
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#146
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#146
(Original post by EpicTree)
rip marks lol
I still think it might be wrong, cause in the unofficial mark scheme he times'd it by 3. Theres hope. Could be wrong though
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emmagreenough
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#147
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#147
(Original post by Brokensteps)
I still think it might be wrong, cause in the unofficial mark scheme he times'd it by 3. Theres hope. Could be wrong though
There were 7 LED-resistor combinations to make up one number of the display, and then 3 numbers per display. So I think you had to multiply the current by 7 for each LED-resistor combination, then by 3 for each number of the display. Not saying this is right though, just what I did!
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Brokensteps
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#148
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#148
(Original post by emmagreenough)
There were 7 LED-resistor combinations to make up one number of the display, and then 3 numbers per display. So I think you had to multiply the current by 7 for each LED-resistor combination, then by 3 for each number of the display. Not saying this is right though, just what I did!
What Im trying to say is, I think it said one fuse per number, as in per 7 led combination (with resistor). I need someone to verify whether it was or wasnt.


Ugh, cant get this stupid thing to a conclusion
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emmagreenough
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#149
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#149
(Original post by Brokensteps)
What Im trying to say is, I think it said one fuse per number, as in per 7 led combination (with resistor). I need someone to verify whether it was or wasnt.


Ugh, cant get this stupid thing to a conclusion
Oh I see what you mean, but I'm pretty sure it was per 3 digit number (so in a way that is per number I guess?)
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EpicTree
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#150
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#150
Yeah that's exactly how I read it

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CoolDocA
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#151
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#151
I got 1A as well, didn't it say one fuse per unit and 1 unit was 3 of the 7 led resistor combinations
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