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Modification to ammeter to measure bigger current
Sensitivity of the ammeter means that how small a current the ammeter can measure. Example, if the original set up is 0.2 A per division,...
Evan Toh
Dec 1, 20231 min read
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2007PPP1Q27 brightness of bulb
Solutions: Option B As lamp X is thicker and shorter , these two factors make the resistance of X lower than Y . Recall: Length...
Evan Toh
Dec 1, 20231 min read
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Evan Toh
Dec 1, 20230 min read
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Finding effective resistance when a wire is bent into different shapes
The concepts needed to solve such questions Length increases, resistance increases and vice versa. Finding resistors in parallel and in...
Evan Toh
Dec 1, 20231 min read
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Evan Toh
Dec 1, 20230 min read
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Which 2 junctions to connect to ahieve greatest resistance?
Based on individual calculations, the highest effective resistance will only be achieved if the junctions are connected at Q and S.
Evan Toh
Dec 1, 20231 min read
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Evan Toh
Dec 1, 20230 min read
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