250 prompts matching "Physics at work: Position-finding, from surveying to GPS"
Worked example: The neutral point, and where it occurs
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Spot my mistake: The errors most often made in first-term SS2 Physics
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Worked example: Coulomb's law and the force between two charges
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Spot my mistake: Lightning and the lightning conductor
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Exam prep: Current in a metallic conductor and in an electrolyte
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Quiz: Potential difference, and how it differs from e.m.f.
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Quiz: Ohm's law and how it is stated
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Spot my mistake: The effect of temperature on resistance
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Quiz: Oersted's experiment and what it showed
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Worked example: Electrical safety and the cost of energy reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Exam prep: The simple d.c. motor and how it turns
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Spot my mistake: Assuming a transformer can work on direct current
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Real-life Nigeria: Transformers in Nigeria's power transmission network
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Quiz: The Rutherford scattering experiment and what it showed
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Quiz: Telling alpha, beta and gamma radiation apart
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Spot my mistake: Background radiation, and allowing for it
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Quiz: The decay curve, and reading a half-life from it
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Quiz: The earth's atmosphere and the layers within it
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