IGCSE /Grade 10
Science MCQ Based On Proportionality between resistance and length
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IGCSE Grade 10 Science Proportionality between resistance and length
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V = I R
V = I R
The resistivity of a material is a measure of how strongly a material opposes the flow of electrical current.
\\(R=\\rho \\tfrac{L}{A}\\)
It is a constant and also known as the specific resistance of the material that has a unit \\(\\Omega m \\).
\\(R=\\rho \\tfrac{L}{A}\\)
The material should be a good conductor of electricity.
\\(R_{parallel} = \\tfrac{R}{n}\\Omega \\)
\\(R = K\\times L\\times \\tfrac{1}{D^{2}}\\)
\\(R = \\rho \\tfrac{L}{A}\\)
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