501 prompts matching "Exam prep: The work done in stretching a spring"
Quiz: Coulomb's law and the force between charges
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Let me explain: Capacitance and what determines it
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Real-life Nigeria: Capacitors in fans, inverters and camera flashes
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Quiz: Ohm's law and ohmic against non-ohmic conductors
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Real-life Nigeria: Cable sizing in Nigerian house wiring
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Let me explain: Power dissipation and why cables warm
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Real-life Nigeria: Estimating a Nigerian household's monthly bill
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Quiz: Electrolytes, electrodes and the products at each
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Let me explain: Faraday's laws of electrolysis
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Let me explain: Self and mutual inductance
I have just studied self and mutual inductance in my SS3 Physics class. Let me explain it
Quiz: Magnetic domains and how magnetisation occurs
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Real-life Nigeria: Magnets in loudspeakers and electric generators
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Real-life Nigeria: Fibre backbones carrying Nigerian internet traffic
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Quiz: Stimulated emission and population inversion
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Let me explain: Coherence, monochromaticity and collimation
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Real-life Nigeria: Lasers in surgery, printing and barcode scanning
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Let me explain: Checking an equation for dimensional consistency
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Real-life Nigeria: Unit checking before trusting a calculation
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Spot my mistake: A solution that confuses field strength with flux
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Spot my mistake: A calculation that uses peak current where r.m.s. was required
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