AS level material below, potentially useful for coursework! If we combine what we know about the effects of length and area, we find:
The p-like symbol is the Greek letter, rho. This is the constant for resistance, called resistivity!
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AS level material below, potentially useful for coursework! If we combine what we know about the effects of length and area, we find:
The p-like symbol is the Greek letter, rho. This is the constant for resistance, called resistivity!
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