Physics (AS & A Level) · Feb / March 2025 · Paper 42 · Question 6
9702
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An electric field and a magnetic field are used to form a velocity selector. Charged particles, called ions, pass into a region of uniform electric and magnetic fields that is between parallel plates, as shown in Fig. 6.1. + + + + + + – – – – – – path of ions region of electric and magnetic fields plate plate Fig. 6.1
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6(a)[2]
6(b)[3]
6(c)[1]
6(d)[3]
6(e)[2]
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