250 prompts matching "Exam prep: The elastic potential energy stored in a stretched spring"
Practice set: The factors affecting the size of an induced e.m.f.
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Let me explain: The field pattern around a straight wire and around a coil
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Spot my mistake: The moving-coil galvanometer
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Physics at work: The loudspeaker, and how it turns current into sound
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Let me explain: The factors that determine the size of the force
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Practice set: The force between two parallel current-carrying conductors
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Quiz: The Rutherford scattering experiment and what it showed
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Let me explain: The penetrating and ionising power of each radiation
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Quiz: The decay curve, and reading a half-life from it
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Let me explain: The random nature of radioactive decay
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Quiz: The earth's atmosphere and the layers within it
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Let me explain: The earth's magnetic field and what causes it
I have just studied the earth's magnetic field and what causes it in my SS2 Physics class.
Quiz: The planets and the order in which they orbit
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Real-life Nigeria: Eclipses of the sun and of the moon explained
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Quiz: Nuclear fusion in the core of a star
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Let me explain: The life cycle of a star
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Let me explain: The expanding universe and red shift
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