250 prompts matching "Thermionic emission and the conditions for it"
Exam prep: Measuring resistance with a metre bridge or a potentiometer
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Real-life Nigeria: Series circuits in Nigerian decorative lighting
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Physics at work: Circuit design work in Nigeria
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Worked example: Calculating an induced electromotive force
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Practice set: The factors affecting the size of an induced e.m.f.
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Real-life Nigeria: Transformers in Nigeria's power transmission network
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Physics at work: Why electricity is transmitted at high voltage
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Let me explain: Atomic number, mass number and isotopes
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Real-life Nigeria: Why the earth is able to support life
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Practice set: Moons, asteroids and comets
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Physics at work: Astronomy as a field of study and of work
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Real-life Nigeria: The SS2 Physics topics I still need to practise
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Let me explain: The laws of reflection at a plane mirror
I have just studied the laws of reflection at a plane mirror in my SS2 Physics class. Let
Worked example: Calculating the speed of sound from an echo
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Worked example: Calculating the fundamental frequency of a stretched string
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Let me explain: Plotting the field around a bar magnet
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Worked example: The molecular theory of matter reviewed
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Exam prep: Magnetism and magnetic fields reviewed
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Exam prep: Current in a metallic conductor and in an electrolyte
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