224 prompts matching "Describing energy as being used up"
Worked example: Calculating the effective resistance of resistors in parallel
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Practice set: Solving a parallel circuit problem from end to end
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Exam prep: Combining series and parallel sections in one circuit
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Spot my mistake: Inverting the reciprocal wrongly in a parallel calculation
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Physics at work: Circuit design work in Nigeria
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Quiz: The fuse and how it protects a circuit
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Worked example: Choosing the right fuse rating for an appliance
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Practice set: The circuit breaker and how it works
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Spot my mistake: Overloading a socket, and what follows from it
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Quiz: Faraday's laws of electromagnetic induction
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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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Exam prep: The a.c. generator and how it works
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Spot my mistake: The d.c. generator and the commutator
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Quiz: Oersted's experiment and what it showed
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Worked example: The strength of an electromagnet and what affects it
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Practice set: The electric bell and how it operates
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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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Physics at work: The loudspeaker, and how it turns current into sound
Act as my SS2 Physics tutor. Explain which Nigerian jobs and industries depend on the loud