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3.7 Fields and their consequences
Quick questions on Magnetic flux density: force on currents and moving charges - AQA A-Level 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
State the unit of magnetic flux density and define it. [2 marks]
What is q2?Show answer
A wire of length carries at right angles to a field. Calculate the force. [2 marks]
What is q3?Show answer
State why the magnetic force does no work on a moving charge. [1 mark]
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