Two wires are there, one of copper and other of nichrome with equal resistance. Which wire is more thicker and why?
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Nichrome.... (not sure). Coz they have same resistance but resistivity of nichrome is higher ( Not sure coz it also depends on the length)
Edit : I used length instead of resistance. sry
Edit : I used length instead of resistance. sry
anamika100403:
that means resistivity is directly proportional to area of cross section?
Ya because Resistance = (resistivity × area of cross section)/ length
ohk thnks
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Nichrome wire will be more thicker coz nichrome conducts more electricity than copper and it is more costly than copper
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