2.6 C  2.7 B  2.8 C 


Question 3 3.1


(2) (2) (2)


[16]


Cell symbol  Two cells in series  Light bulb symbol  Parallel branches each with one light bulb  Switch symbol  Switch in each branch 


3.2 Stays the same  Question 4


4.1 Axes labelled and with units  Linear scale on both axes meeting at (0:0)  Six plots  Best fit curve through points (expect a hyperbola)  Distance on x-axis, size on y-axis 


4.2 As the distance of the object from the lamp increases,  the size of the Shadow decreases. 


(6) (1)


3.3 In a parallel circuit, the same amount of current flows to each bulb.  (1) [8]


(6)


(2) [8]


147


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