| Text | in a potentiometer the {{c2::potential gradient}} is uniform for a wire having {{c1::uniform}} area of cross section |
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| Text | resistance wires are usually made of high resistivity materials like {{c2::magnanin}} and {{c1::eureka }} |
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| Text | α - +ve {{c1::conductors }}α - -ve {{c2::semiconductors}} , {{c3::electrolytes}} ( {{c4::carbon}} and {{c5::mica}} )α - 0 {{c6::superconductors }} |
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