250 prompts matching "Thermionic emission and the conditions for it"
Quiz: Conventional current and electron flow
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Teach me: What electromotive force means
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Spot my mistake: Primary cells and secondary cells compared
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Physics at work: Electromotive force in Nigerian power generation
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Spot my mistake: The effect of temperature on resistance
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Teach me: What a series circuit is
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Quiz: Current in a series circuit
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Practice set: Solving a series circuit problem from end to end
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Teach me: What a parallel circuit is
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Quiz: Current in a parallel circuit
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Practice set: Solving a parallel circuit problem from end to end
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Teach me: The magnetic field produced by an electric current
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Spot my mistake: The moving-coil galvanometer
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Quiz: Resistance and Ohm's law reviewed
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Quiz: Fleming's left-hand rule
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Real-life Nigeria: Electric motors in Nigerian homes and industry
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Spot my mistake: Assuming a transformer can work on direct current
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Spot my mistake: Confusing atomic number with mass number
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