Quick questions on Magnetic fields: flux density, F = BIL, F = Bqv and charged particles in a field - Eduqas 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?

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State the equation for the force on a current-carrying conductor perpendicular to a magnetic field. [1 mark]

What is q2?

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A charge of

3.2 \times 10^{-19}\ \text{C}

moves at

5.0 \times 10^{6}\ \text{m s}^{-1}

perpendicular to a field of

0.40\ \text{T}

. Find the force on it. [2 marks]

What is q3?

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Explain why the magnetic force makes a charged particle move in a circle. [2 marks]

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