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6 Particles and medical physics
Quick questions on Magnetic fields and the motor effect: forces on currents and moving charges - OCR A-Level Physics A
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 equation for the force on a current-carrying conductor and define each term. [2 marks]
What is q2?Show answer
A wire of length carrying sits at right angles to a field. Find the force. [2 marks]
What is q3?Show answer
Explain why a magnetic field does no work on a moving charge. [2 marks]
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