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MassachusettsPhysicsQuick questions
Module 4: Energy and work
Quick questions on Energy conversion devices - MA Introductory Physics MCAS Module 4
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A device takes in J and produces J of useful output. Calculate its efficiency as a percent. [2]
What is q2?Show answer
Name the form most wasted energy takes in a real device, and one cause. [2]
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