250 prompts matching "Calculating the extension of a spring under load"
Worked example: Magnetic induction and how it works
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Spot my mistake: Magnetic screening and how it is achieved
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Spot my mistake: Magnetic flux and magnetic flux density
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Exam prep: Magnetism and magnetic fields reviewed
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Quiz: Charging by friction, by contact and by induction
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Practice set: Conductors, insulators and semiconductors
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Real-life Nigeria: Static electricity in Nigerian daily life
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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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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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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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Quiz: Current in a series circuit
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Practice set: Solving a series circuit problem from end to end
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Spot my mistake: Adding resistances wrongly in a series problem
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