250 prompts matching "Let me explain: Linear expansivity and its definition"
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: Series circuits in Nigerian decorative lighting
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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
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on the loud
Worked example: Electrical safety and the cost of energy reviewed
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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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Spot my mistake: Assuming a transformer can work on direct current
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Practice set: The Bohr model and electron energy levels
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Worked example: Writing an equation for alpha decay and for beta decay
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