when the switch opens the electromagnet turns on true or false
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when the switch opens the electromagnet turns on true or false
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Answer:
true answer pleaseee mark me as a brainliest
Answer:
true
Electric bell:
Explanation:
Magnetic field lines These show the shape of a magnetic field. You can show magnetic field lines with iron filings. Electric bell: When you push the switch, the current flows in the coil of wire, the electromagnet turns on and attracts the iron armature. The hammer hits the gong and the contact switch opens.