Found in many electric devices, what is a coil of wire wrapped around a bar of iron or other ferromagnetic material?
- Correct Answer: electromagnet
- actuator
- battery
- superconductor
Explanation: The animal mole is very different than the counting unit of the mole. Chemists nonetheless have adopted the mole as their unofficial mascot. National Mole Day is a celebration of chemistry that occurs on October 23rd (10/23) of each year.
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