243 prompts matching "Extension and energy-stored problems"
Exam prep: The magnetic effect of an electric current reviewed
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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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Worked example: Calculating the force on a current-carrying conductor
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Practice set: The force between two parallel current-carrying conductors
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Worked example: Calculating output voltage from the turns ratio
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Practice set: The efficiency of a transformer
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Real-life Nigeria: Transformers in Nigeria's power transmission network
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Physics at work: Why electricity is transmitted at high voltage
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Worked example: Writing the nuclide notation for a given atom
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Exam prep: The models of the atom compared, from Thomson to Bohr
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Teach me: What half-life means
You are my personal SS2 Physics tutor. Teach me what half-life means, using a real Nigeria
Worked example: Calculating the mass remaining after a number of half-lives
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Real-life Nigeria: Why the earth is able to support life
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Worked example: Calculating the orbital period of a planet
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Quiz: Nuclear fusion in the core of a star
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Exam prep: The sun as a typical star
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Real-life Nigeria: How starlight tells us what stars are made of
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Worked example: Calculating a distance in light years
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Exam prep: Cosmic microwave background radiation
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