501 prompts matching "Exam prep: The unit of charge and the quantisation of charge"
Let me explain: Self and mutual inductance
I have just studied self and mutual inductance in my SS3 Physics class. Let me explain it
Spot my mistake: A transformer calculation with the ratio inverted
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Quiz: Magnetic domains and how magnetisation occurs
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Worked example: Choosing a core material from hysteresis data
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Practice set: Problems on magnetisation and demagnetisation
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Real-life Nigeria: Magnets in loudspeakers and electric generators
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Worked example: Identifying products at each electrode in a stated cell
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Real-life Nigeria: Neon signs and fluorescent tubes
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Practice set: Problems on signal loss and fibre geometry
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Quiz: Stimulated emission and population inversion
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Let me explain: Coherence, monochromaticity and collimation
I have just studied coherence, monochromaticity and collimation in my SS3 Physics class. L
Practice set: Problems on laser output and photon count
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Real-life Nigeria: Lasers in surgery, printing and barcode scanning
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Physics at work: Laser and photonics work
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Real-life Nigeria: Unit checking before trusting a calculation
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Physics at work: Engineering calculation and quality control
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Spot my mistake: The claim that a rocket pushes against the air
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Real-life Nigeria: Nigeria's satellite launches and space agency work
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Let me explain: Why a.c. is described by an r.m.s. rather than an average value
I have just studied why a.c. is described by an r.m.s. rather than an average value in my