177 prompts matching "How a rocket accelerates by expelling mass"
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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Spot my mistake: The d.c. generator and the commutator
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Real-life Nigeria: Induction at work in Nigerian power generation
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Worked example: The strength of an electromagnet and what affects it
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Exam prep: The relay and the telephone earpiece
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Spot my mistake: The moving-coil galvanometer
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Real-life Nigeria: Electromagnets in Nigerian industry
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Worked example: Electrical safety and the cost of energy reviewed
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Practice set: Electromagnetic induction reviewed
Act as my SS2 Physics tutor. Give me five practice questions on electromagnetic induction
Exam prep: The magnetic effect of an electric current reviewed
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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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Worked example: Calculating the force on a current-carrying conductor
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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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Real-life Nigeria: Electric motors in Nigerian homes and industry
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Worked example: Calculating output voltage from the turns ratio
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Practice set: The efficiency of a transformer
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Spot my mistake: Assuming a transformer can work on direct current
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