250 prompts matching "A transformer calculation with the ratio inverted"
Quiz: Vibration in strings and the factors affecting the frequency
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Quiz: The structure of a transformer and its two coils
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Quiz: The transformer and power transmission reviewed
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Exam prep: The camera, and how it compares with the eye
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Real-life Nigeria: Resonance and the vibration of air columns
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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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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Exam prep: Energy losses in a transformer, and how they are reduced
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Quiz: The earth's atmosphere and the layers within it
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Physics at work: Electromotive force in Nigerian power generation
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Teach me: What a transformer does, and why it is needed
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Spot my mistake: Assuming a transformer can work on direct current
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Physics at work: Space exploration and Nigeria's satellite programme
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Teach me: Light as a wave, and the properties all waves share
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Quiz: Rectilinear propagation and the formation of shadows
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Teach me: The human eye as an optical instrument
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Quiz: Defects of vision and the lenses that correct them
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Spot my mistake: The projector and how it throws an enlarged image
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