501 prompts matching "What a machine is, and what it does"
Practice set: Flux density inside a solenoid from turns, length and current
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Spot my mistake: A solution that confuses field strength with flux
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Spot my mistake: A solution using the wrong hand rule for an induced current
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Quiz: Capacitive reactance and how frequency changes it
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Practice set: Current and voltage in a series RLC circuit
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WAEC prep: Resonance in an RLC circuit and the resonant frequency
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Practice set: Energy level diagrams and the transitions on them
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WAEC prep: Emission and absorption spectra compared
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on emission
Spot my mistake: A solution that uses the wrong sign for a transition energy
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Real-life Nigeria: The sodium street lamp and the light it emits
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Real-life Nigeria: The electron microscope and why it outresolves a light one
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Spot my mistake: A circuit drawn with a diode the wrong way round
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Practice set: Orbital speed and height calculations
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WAEC prep: The advantages and limitations of satellite communication
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Spot my mistake: Confusing a geostationary orbit with a polar one
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Real-life Nigeria: NigComSat and satellite services in Nigeria
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Worked example: A mixed calculation spanning fields and circuits
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Exam timing: A timed mixed paper on fields, circuits and quantum topics
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Spot my mistake: A rectifier circuit drawn with a diode reversed
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Real-life Nigeria: Logic gates inside a calculator and a digital meter
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