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| Rating(1-10) | Knowledgeability = 10 | Clarity of Response = 10 | Politeness = 10 |
| Comment | Thanks for giving answer to my Question. Yes i need to heat a cup of coffee with the battery heater. I hope any circuit or any component to produce heat to satisfy my requirement. Any way thanks once again for your responce. | ||
Answers by Expert:
I can answer almost any student science question! I especially like ones involving silkworms, spacecraft and computers.
MIT graduate. Have worked as an engineer and taught science for 28 years.

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