hey resistivy = 1.5× 10 raise to minus 8 and area of cross section = 20 × 10 raise to minus 4 find the length of the wire required to make 20 Ohm

hey resistivy = 1.5× 10 raise to minus 8 and area of cross section =

1.	hey resistivy = 1.5× 10 raise to minus 8 and area of cross section = 20 × 10 raise to minus 4 find the length of the wire required to make 20 Ohm
Answer» R = p_l_ A 20 = -8 × _l_ -4 20 = 2 × l l = 10 m

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hey resistivy = 1.5× 10 raise to minus 8 and area of cross section = 20 × 10 raise to minus 4 find the length of the wire required to make 20 Ohm

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