Two wires, one of copper and manganin, have equal length and equal resistance. Which wire is thicker? Given that restivity of copper is lower than that of manganin. Explain.
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As the formula R= row l/A
all symbol have usual meaning
row is inversely prop to area( when all other factor is same)
resistivity of maganin is low than copper hence maganin is more thicker than copper
all symbol have usual meaning
row is inversely prop to area( when all other factor is same)
resistivity of maganin is low than copper hence maganin is more thicker than copper
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