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How was 9702 W15 paper 22?

how was it?

  • very easy

    Votes: 5 17.9%
  • easy

    Votes: 1 3.6%
  • meh

    Votes: 10 35.7%
  • hard

    Votes: 12 42.9%

  • Total voters
    28
Messages
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Points
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it was 4V pd
then what happens to Vab ----> it increases
it doesnt matter how you got it

If true, perfect :D

it was a 48W, 12V lamp. It asked what happens to the current through it when switch 2 is closed in b)i)

Yes, correct. Originally asked why 48W aren't transformed in it too in part A.

Just a bit of doubt over the L1/L2 question with the current part and the ratio for power (1.4?)but I think its fine.
 
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If true, perfect :D



Yes, correct. Originally asked why 48W aren't transformed in it too in part A.

Just a bit of doubt over the L1/L2 question with the current part and the ratio for power (1.4?)but I think its fine.
ratio is 1.4 yes. and yeah you have to talk about terminal pd and lost volts etc
there werent any hard definitions
I am losing 6-7 exactly I checked everything hope we get adjusted marks
 
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ratio is 1.4 yes. and yeah you have to talk about terminal pd and lost volts etc
there werent any hard definitions
I am losing 6-7 exactly I checked everything hope we get adjusted marks
I got 11:7, which is like 1.6
 
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Mine I1 was 0.16
Mine I2 was 0.24
0.24^2 * 350 = 20.16
0.16^2 * 550 = 14.08
so P in 350 / P in 550 = 20.16/14.08 = 1.43 : 1
 
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