📅 NSB 2019🎓 HS🔄 Round 10#️⃣ Q23🌟 BONUS✍️ Short Answer
A thin copper wire carries a current density of 3 times 10^5 amps per square meter. If the conductivity of copper is 6 times 10^7 siemens per meter, what is the electric field, in millivolts per meter, inside the wire?
✔️Answer:5
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