OCR A 2019 AS Paper 1 - AS-level Physics Past Paper

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00:00 Multiple choice
11:03 Q21 - Forces (ball & dolphin)
14:53 Q22 - Ball kinematics
17:43 Q23 - Internal resistance, series & parallel circuits
20:56 Q24 - Refractive index & stationary waves
23:26 Q25 - De Broglie wavelength -
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Комментарии
Автор

The multiple choice got me shook. How is there that much working out for 1mark. Very rude

helloig
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can you explain how you got the gradient to be 170 in question 24b thanks

paoloresma
Автор

Why on Q23 a (ii) do you use p=I^2r for the power dissipated in the internal resistance, rather than p=v^2/r ( v= emf ) when I did this I got a different ratio though it seems like it’s the same thing

Jesus
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9:00 why is the answer A and not B? wouldn't the arrows go clockwise so surely the resultant arrow would be facing upwards?

bimboodekunle
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14:13 why extension of A over extension of B…? The question asked for the ratio of B over A. Confusing

ramens