250 prompts matching "Exam prep: The critical angle and the condition for total internal reflection"
Spot my mistake: Lightning and the lightning conductor
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Worked example: Calculating charge from current and time
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Practice set: Internal resistance and the lost volts
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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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Exam prep: Measuring resistance with a metre bridge or a potentiometer
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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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Worked example: Calculating an induced electromotive force
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Spot my mistake: The d.c. generator and the commutator
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Practice set: The electric bell and how it operates
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Practice set: The force between two parallel current-carrying conductors
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Let me explain: Step-up and step-down transformers
I have just studied step-up and step-down transformers in my SS2 Physics class. Let me exp
Practice set: The efficiency of a transformer
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Practice set: The Bohr model and electron energy levels
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Practice set: The Geiger-Muller tube and how it detects radiation
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Spot my mistake: Background radiation, and allowing for it
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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