250 prompts matching "Calculating the pressure at a given depth"
Let me explain: Lenz's law and the direction of an induced current
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Practice set: The factors affecting the size of an induced e.m.f.
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Real-life Nigeria: Induction at work in Nigerian power generation
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Teach me: The magnetic field produced by an electric current
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Quiz: Oersted's experiment and what it showed
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Exam prep: The relay and the telephone earpiece
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Spot my mistake: The moving-coil galvanometer
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Worked example: Electrical safety and the cost of energy reviewed
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Exam prep: The magnetic effect of an electric current reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Teach me: The force on a conductor carrying current in a magnetic field
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Practice set: The force between two parallel current-carrying conductors
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Exam prep: The simple d.c. motor and how it turns
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Teach me: What a transformer does, and why it is needed
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Quiz: The structure of a transformer and its two coils
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Practice set: The efficiency of a transformer
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Exam prep: Energy losses in a transformer, and how they are reduced
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Physics at work: Why electricity is transmitted at high voltage
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