Chemistry, 27.07.2019 09:30 sherlock19
Pls will give brainlest! will give and you in question 3 unsaved how is an electromagnet different from a bar magnet? question 3 options: an electromagnet is temporary and is magnetic when a current flows through a wire wrapped around the core. a bar magnet is a temporary and is only magnetic when a current flows through a wire wrapped around the core. only a bar magnet has a magnetic field. only an electromagnet attracts materials made of iron.
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