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20 SECTION C – Module P6 10 (a) Trevor and Una connect different circuits. Look at the circuit Trevor connects. power supply lamp

thermistor He gently heats the thermistor. Describe and explain how heating the thermistor affects the brightness of the lamp. ................................................................................................................................................... ................................................................................................................................................... .............................................................................................................................................. [2]

Š OCR 2013

P6 question 10 (1)  
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