Physics, 28.10.2020 15:10 chasitythompso1
A piece of pencil lead is connected in series with an ammeter and a power supply. The power supply is turned on. After a few minutes, although the potential difference across the pencil lead does not change, the current in the circuit increases significantly. Explain why the current increases.
Answers: 1
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A piece of pencil lead is connected in series with an ammeter and a power supply. The power supply i...
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