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A 4.5V battery is connected to a wire made of three segments of different metals connected one after another: 12cm of copper wire, then 12cm of iron wire, then 15cm of tungsten wire. All of the wires are 0.26mm in diameter.

a) Find the potential difference across copper wire.

b) Find the potential difference across iron wire.

c) Find the potential difference across tungsten wire.

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Category:- Physics
Reference No.:- M9997440

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