Mcgraw Hill Ryerson Science 9 Pdf -

“So the broken wire is making an unstable magnetic field,” Kaitlyn said, her voice steadier now.

Maya grabbed the textbook and flipped to the electricity unit. “Electromagnetism,” she murmured. “An electric current creates a magnetic field. If the compass is moving without a magnet, there’s stray current somewhere.” mcgraw hill ryerson science 9 pdf

“You two are actually good at this,” she said. “So the broken wire is making an unstable

Leo pointed at the frayed wire near the power supply. “That’s not supposed to spark like that.” ” Kaitlyn said