250 prompts matching "Calculating the efficiency of an energy transfer"
Teach me: What electric current is, and how it is measured
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Quiz: Conventional current and electron flow
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Exam prep: Current in a metallic conductor and in an electrolyte
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Spot my mistake: Connecting an ammeter in parallel by mistake
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Teach me: What electromotive force means
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Quiz: Potential difference, and how it differs from e.m.f.
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Exam prep: Cells connected in series and in parallel
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Spot my mistake: Primary cells and secondary cells compared
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Physics at work: Electromotive force in Nigerian power generation
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Teach me: What resistance is, and what it depends on
You are my personal SS2 Physics tutor. Teach me what resistance is, and what it depends on
Quiz: Ohm's law and how it is stated
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Exam prep: Measuring resistance with a metre bridge or a potentiometer
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Real-life Nigeria: Resistors and rheostats in practical circuits
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Spot my mistake: Adding resistances wrongly in a series problem
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Real-life Nigeria: Series circuits in Nigerian decorative lighting
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Exam prep: Combining series and parallel sections in one circuit
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Spot my mistake: Overloading a socket, and what follows from it
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Real-life Nigeria: Safe wiring practice in a Nigerian home
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Real-life Nigeria: Induction at work in Nigerian power generation
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