ocr physics gcse

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alicew12222
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#1
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#1
how’d people find it ??
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dlsx0021
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#2
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#2
(for A gateway science ocr)
I thought it was insanely easy, there were a few questions that required a bit of thought but mostly i thought i was far too easy for a physics higher paper. The mark scheme may be really strict or something but i imagine the grade boundaries will be high as everyone ive spoken to has said they found it easy or okay
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alicew12222
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#3
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#3
yeh i thought it was quite easy considering they gave you most the equations
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lileo261
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#4
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#4
Not sure how it was even considered a higher paper tbh
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alicew12222
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#5
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#5
yeh agreed aha
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Hw202
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#6
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#6
Did anyone get a question about a tv being on for 30 mins? If so can you remember the phrasing of the question?
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alicew12222
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#7
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#7
it was like something to do wiv power
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lileo261
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#8
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#8
(Original post by Hw202)
Did anyone get a question about a tv being on for 30 mins? If so can you remember the phrasing of the question?
How long much current is used when turning on the TV?
P=IV
I=P/V
I=65/230
I=0.28A

How much energy is transferred when the TV is on for 30 minutes?
E=Pt
E=65×(60×30)
E=117,000J
Last edited by lileo261; 3 years ago
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person1143
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#9
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#9
What did everyone put for the forces on the load? On the free body diagram question
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CokerCola
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#10
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#10
i put the force exerted by the earth on the load (weight) and the force exerted by the load on the earth. i wasnt too sure
i was thinking weight and reaction force but i remembered weight is a non contact force and reaction force is a contact force so it couldnt be right
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absolforlife
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#11
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#11
The higher triple was... suspiciously easy. Like a lot of our class checked and thought we were doing foundation. finished with a lot of time to spare.
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person1143
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#12
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#12
Ah I did normal contact force for the upwards arrow but that must be wrong
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hard_crap
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#13
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#13
for that power question i got really suspicious as it was too easy so i did something else ;/ :
since energy transferred = p.d * charge
current = charge/time
charge = time*current
charge = 60*30 * 0.28
charge =504
energy transferred = 504 *280=141120.

can someone please tell me how many marks i might get ;/ because it makes sense to me ...
Last edited by hard_crap; 3 years ago
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Readthetextbook
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#14
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#14
I used a different method but I used current=0.28 instead of its actual value and got something close to what you got.Do you think I will lose a mark or get no marks because I used current=0.28?My method was Q=It then E=QV
(Original post by lileo261)
How long much current is used when turning on the TV?
P=IV
I=P/V
I=65/280
I=0.28A

How much energy is transferred when the TV is on for 30 minutes?
E=Pt
E=65×(60×30)
E=117,000J
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lileo261
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#15
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#15
(Original post by Readthetextbook)
I used a different method but I used current=0.28 instead of its actual value and got something close to what you got.Do you think I will lose a mark or get no marks because I used current=0.28?My method was Q=It then E=QV
You'll probably get 3/4 cos if u did use Q=It then E=QV then u would have to use the value in ur calculator not 0.28
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lileo261
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#16
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#16
(Original post by hard_crap)
for that power question i got really suspicious as it was too easy so i did something else ;/ :
since energy transferred = p.d * charge
current = charge/time
charge = time*current
charge = 60*30 * 0.28
charge =504
energy transferred = 504 *280=141120.

can someone please tell me how many marks i might get ;/ because it makes sense to me ...
Probably 3/4 because instead of using 0.28, u have to use the value 65/230. If u did u would've gotten 117,000 which was correct
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Readthetextbook
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#17
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#17
Ah that sucks,well thanks for saying...I need to start using the actual values rather than the ones in previous answers...
(Original post by lileo261)
Probably 3/4 because instead of using 0.28, u have to use the value 65/230. If u did u would've gotten 117,000 which was correct
Also one of your replies has a typo,I think you meant 65/230 not 65/280
Last edited by Readthetextbook; 3 years ago
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alicew12222
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#18
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#18
what did people get for the 5 marker
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lileo261
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#19
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#19
(Original post by Readthetextbook)
Ah that sucks,well thanks for saying...I need to start using the actual values rather than the ones in previous answers...
Also one of your replies has a typo,I think you meant 65/230 not 65/280
You're right thanks
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anonymous.y
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#20
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#20
did people go in detail on how transformers worked? Or did you guys just talk about step up and down transformers and how they increase/decrease voltage/
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