229 prompts matching "What refraction is, and why light bends"
Quiz: Potential difference, and how it differs from e.m.f.
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Exam prep: Cells connected in series and in parallel
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Real-life Nigeria: The maintenance and charging of a car battery
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Practice set: The ohmic conductor and the non-ohmic conductor
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Worked example: Calculating the effective resistance of resistors in series
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Real-life Nigeria: Series circuits in Nigerian decorative lighting
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Worked example: Calculating the effective resistance of resistors in parallel
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Exam prep: Combining series and parallel sections in one circuit
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Real-life Nigeria: Why house wiring uses parallel connection
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Quiz: The fuse and how it protects a circuit
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Practice set: The circuit breaker and how it works
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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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Practice set: The electric bell and how it operates
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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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Worked example: Electrical safety and the cost of energy 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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