250 prompts matching "Let me explain: Impulse and its relation to change of momentum"
Practice set: Cohesion, adhesion and the forces between molecules
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Spot my mistake: Capillarity, and why liquids rise in narrow tubes
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Physics at work: Gravity in engineering and in space science
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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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Worked example: The neutral point, and where it occurs
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Spot my mistake: Magnetic flux and magnetic flux density
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Worked example: Coulomb's law and the force between two charges
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Spot my mistake: Connecting an ammeter in parallel by mistake
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Practice set: Internal resistance and the lost volts
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Spot my mistake: Primary cells and secondary cells compared
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Real-life Nigeria: The maintenance and charging of a car battery
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Worked example: Calculating resistance from voltage and current
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Practice set: Solving a series circuit problem from end to end
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Real-life Nigeria: Series circuits in Nigerian decorative lighting
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Practice set: Solving a parallel circuit problem from end to end
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Practice set: The circuit breaker and how it works
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Spot my mistake: Overloading a socket, and what follows from it
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Practice set: The factors affecting the size of an induced e.m.f.
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Worked example: The strength of an electromagnet and what affects it
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