Q.9 A cathode-ray tube accelerates electrons through a 20 kV potential difference. To what speed are the electrons accelerated? (2)

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Q.9 A cathode-ray tube accelerates
electrons through a 20 kV potential
difference. To what speed are the
electrons accelerated? (2)
Transcribed Image Text:Q.9 A cathode-ray tube accelerates electrons through a 20 kV potential difference. To what speed are the electrons accelerated? (2)
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