250 prompts matching "Physics at work: Fibre optics in Nigerian communications"
Practice set: Acceleration due to gravity and how it is measured
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Exam prep: Gravitational potential energy and escape velocity
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Spot my mistake: The variation of g over the earth's surface
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Real-life Nigeria: Satellites and the orbits they keep
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Practice set: The domain theory of magnetism
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Spot my mistake: Magnetic screening and how it is achieved
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Teach me: What a magnetic field is and how it is represented
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Practice set: The field around a straight current-carrying wire
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Practice set: The gravitational field reviewed
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Real-life Nigeria: Linking waves, sound and light together
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Worked example: Coulomb's law and the force between two charges
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Exam prep: The unit of charge and the quantisation of charge
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Spot my mistake: Lightning and the lightning conductor
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Teach me: What electric current is, and how it is measured
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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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Practice set: Internal resistance and the lost volts
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Exam prep: Cells connected in series and in parallel
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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