250 prompts matching "Exam prep: Calculating the efficiency of a machine"
Let me explain: Lenz's law and the direction of an induced current
I have just studied Lenz's law and the direction of an induced current in my SS2 Physics c
Practice set: The factors affecting the size of an induced e.m.f.
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Spot my mistake: The errors most often made in second-term SS2 Physics
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Real-life Nigeria: Preparing a revision plan for the SS2 second term
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Let me explain: The factors that determine the size of the force
I have just studied the factors that determine the size of the force in my SS2 Physics cla
Quiz: The structure of a transformer and its two coils
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Worked example: Writing the nuclide notation for a given atom
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Real-life Nigeria: The nucleus as the source of nuclear energy
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Let me explain: The penetrating and ionising power of each radiation
I have just studied the penetrating and ionising power of each radiation in my SS2 Physics
Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Let me explain: The random nature of radioactive decay
I have just studied the random nature of radioactive decay in my SS2 Physics class. Let me
Practice set: The decay constant and the activity of a source
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Exam prep: Carbon dating and how it works
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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
I have just studied the life cycle of a star in my SS2 Physics class. Let me explain it ba
Practice set: The classification of stars by colour and temperature
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Quiz: The scale of the universe and the light year
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Exam prep: Cosmic microwave background radiation
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Worked example: The earth and the solar system reviewed
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