what should be the length of nichrome wire of resistence 4.5 ohm, if length of similar wire is 60cm and resistence is 2.5ohm ?
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if length of wire = 60 cm
the resistance = 2.5 ohum
relation = 25/6 ohm/m
so the length of wire of 4.5 resistance = 4.5/25/6
_________________________________________________________
if length of wire = 60 cm
the resistance = 2.5 ohum
relation = 25/6 ohm/m
so the length of wire of 4.5 resistance = 4.5/25/6
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