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ScotlandPhysicsQuick questions
Area 3: Electromagnetism
Quick questions on Inductors: back emf, energy and RL circuits - SQA Advanced Higher Physics
3short 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
Write the relationship for the back emf of an inductor in terms of and the rate of change of current. [1 mark]
What is q2?Show answer
Write the relationship for the energy stored in an inductor carrying current . [1 mark]
What is q3?Show answer
State how an inductor's opposition to a.c. changes as the frequency increases. [1 mark]
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