Wrapping the copper wire around an iron nail, increasing the current.   Increase the power going through the wire or have more wire wrapped around the metal object. So in â¦ the case of a nail with wire wrapped around it, the more wraps you do the stronger the electromagnet will be.
Porcupines are a type of rodent found in two main regions of the world, so scientists group them into either Old World or New World porcupines.
The Porcupine caribou is a barren-ground caribou herd whose range is large- over 250,000 square kilometers. The range extends from northeastern Alaska across the northern Yukon to the Makenzie Delta in the Northwest Territories. The herd winters in the boreal forest of the Richardson and Ogilvie mountain ranges.