250 prompts matching "Finding distance from the area under a graph"
Worked example: Calculating the effective resistance of resistors in parallel
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Worked example: Choosing the right fuse rating for an appliance
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Exam prep: Electrical energy, power and the cost of consumption
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Exam prep: The a.c. generator and how it works
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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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Exam prep: The relay and the telephone earpiece
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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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Exam prep: The magnetic effect of an electric current reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Worked example: Calculating the force on a current-carrying conductor
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Exam prep: The simple d.c. motor and how it turns
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Exam prep: Energy losses in a transformer, and how they are reduced
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Worked example: Writing the nuclide notation for a given atom
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Real-life Nigeria: The nucleus as the source of nuclear energy
Act as my SS2 Physics tutor. Show me where the nucleus as the source of nuclear energy tur