ocr physics gcse

#1
how’d people find it ??
0
3 years ago
#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
6
#3
yeh i thought it was quite easy considering they gave you most the equations
2
3 years ago
#4
Not sure how it was even considered a higher paper tbh
0
#5
yeh agreed aha
0
3 years ago
#6
Did anyone get a question about a tv being on for 30 mins? If so can you remember the phrasing of the question?
0
#7
it was like something to do wiv power
0
3 years ago
#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
3
3 years ago
#9
What did everyone put for the forces on the load? On the free body diagram question
1
3 years ago
#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
0
3 years ago
#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.
1
3 years ago
#12
Ah I did normal contact force for the upwards arrow but that must be wrong
0
3 years ago
#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
0
3 years ago
#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
0
3 years ago
#15
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
0
3 years ago
#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
0
3 years ago
#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
0
#18
what did people get for the 5 marker
0
3 years ago
#19
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
0
3 years ago
#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/
0
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