250 prompts matching "The energy changes in a Nigerian power station"
Worked example: The strength of an electromagnet and what affects it
Act as my SS2 Physics tutor. Show me a full worked example on the strength of an electroma
Practice set: The electric bell and how it operates
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Exam prep: The relay and the telephone earpiece
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Let me explain: Series and parallel circuits reviewed
I have just studied series and parallel circuits reviewed in my SS2 Physics class. Let me
Practice set: Electromagnetic induction reviewed
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Exam prep: The magnetic effect of an electric current reviewed
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Quiz: Fleming's left-hand rule
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Exam prep: The simple d.c. motor and how it turns
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Quiz: The structure of a transformer and its two coils
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Let me explain: Step-up and step-down transformers
I have just studied step-up and step-down transformers in my SS2 Physics class. Let me exp
Practice set: The efficiency of a transformer
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Spot my mistake: Assuming a transformer can work on direct current
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Let me explain: Atomic number, mass number and isotopes
I have just studied atomic number, mass number and isotopes in my SS2 Physics class. Let m
Exam prep: The models of the atom compared, from Thomson to Bohr
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Spot my mistake: Confusing atomic number with mass number
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Quiz: Telling alpha, beta and gamma radiation apart
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Worked example: Writing an equation for alpha decay and for beta decay
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Practice set: The Geiger-Muller tube and how it detects radiation
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Exam prep: The cloud chamber and the photographic plate as detectors
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Spot my mistake: Background radiation, and allowing for it
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