250 prompts matching "Let me explain: Mass defect and binding energy"
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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Practice set: Conductors, insulators and semiconductors
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Spot my mistake: Lightning and the lightning conductor
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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: The ohmic conductor and the non-ohmic conductor
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Real-life Nigeria: Resistors and rheostats in practical circuits
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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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Spot my mistake: The d.c. generator and the commutator
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Worked example: The strength of an electromagnet and what affects it
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Practice set: The electric bell and how it operates
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Spot my mistake: The moving-coil galvanometer
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Physics at work: The loudspeaker, and how it turns current into sound
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Practice set: The efficiency of a transformer
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