Physics, 12.01.2021 05:10 queentynaisa
what the electrical charges look like when a neutrally charged glass rod touches a positively charged metal sphere.
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20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine
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what the electrical charges look like when a neutrally charged glass rod touches a positively charge...
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