A Fine wire has a resistance of 4r
when a coil
made from this wire il connected
a sou supply a current of 25A flour
w
What is the
coil
the length of wire making this

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.

d. platinum would have the greatest temperature increase because it has the lowest specific heat.