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Science Bowl Question

📅 NSB 2013🎓 HS🔄 Round 15#️⃣ Q23🌟 BONUS📝 Multiple Choice

A motor has a DC resistance of 5 ohms. The motor operates on 220 volt AC, and when running at full speed, it generates a back electromotive force of 200 volts. What is the current, in amperes, drawn when the motor operates at top speed?

W) 0.4
X) 4
Y) 40
Z) 44
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