[填空题]
A fish-tank heater is rated at 95 W ,w74;v aardzy i3aaw: when connected to 120 V. wn5 fw) 5tyj2cThe heating element is a coil of Nichrome wire. When uncoiled, the wire has a total length of 3.8 m. What is 5f2wy5) nwctjthe diameter of the wire? $ \times10^{ -4}\;m$