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Expert Solve of the CAIE A Level Physics Past Paper- October November 2023 Variant 52, Insights Revealed! £9.85   Add to cart
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Expert Solve of the CAIE A Level Physics Past Paper- October November 2023 Variant 52, Insights Revealed!
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Expert Solve of the CAIE A Level Physics Past Paper! October November 2023 Variant 52, Insights Revealed! Dive into the ultimate solution guide for the CAIE A Level Physics past paper . This special edition unravels the complexities of the 2023 paper, offering in-depth, easy-to-understand so...

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Document information

  • January 20, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • caie
  • caie a level physics
  • a level physics
  • physics9702
  • 9702
  • paper 5
  • physics paper 52 solve
  • variant 52 oc
  • caie a level past paper solve
  • 9702 october november 23 variant 52
  • october november 23 variant 52

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  • Secondary school
  • 9702_52_ON_23
  • 5
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mrcargeniusera

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5

2 A student investigates the discharge of capacitors in the crrcuit shown in Fig. 2.1



l---


5

I




R


Fig.2.1

The capacitors have capacitances Coand C..

The student closes the switch to charge the capacitors.

The switch is opened and a stop-watch is started. The capacitors drscharge through the resistor of
resistance R. At a fixed time f the voltmeter reading V is recorded.

The experrment is repeated for drfferent values of Co and Cr.

For each combination of Co and Cr, the combined capacitance C is calculated.

It is suggested that C arid Vare related by the equation

v= roRe-#
where.Io is the rnitial current in the resistor.

(a) A graph is plotted of lnVon the y-axis againstf on tfre x-axis.

Determine expressions for the gradient and y-intercept.
lp


ro R*'R
.t
?ln V \o, Io *In R * C&
tr
ln V ='*
EL
r .!- * \n&+ l" To gradient =


Y-intercePt =
,1Gt)
t1l


rY.

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