250 prompts matching "The force on a charge placed in a field"
Spot my mistake: Adding resistances wrongly in a series problem
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Let me explain: Potential difference across components joined in parallel
I have just studied potential difference across components joined in parallel in my SS2 Ph
Worked example: Calculating the effective resistance of resistors in parallel
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Exam prep: Combining series and parallel sections in one circuit
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Real-life Nigeria: Why house wiring uses parallel connection
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Teach me: The dangers of electricity in the home
You are my personal SS2 Physics tutor. Teach me the dangers of electricity in the home, us
Let me explain: Earthing, and why an appliance is earthed
I have just studied earthing, and why an appliance is earthed in my SS2 Physics class. Let
Worked example: Choosing the right fuse rating for an appliance
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Exam prep: Electrical energy, power and the cost of consumption
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Teach me: What electromagnetic induction is
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Quiz: Faraday's laws of electromagnetic induction
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Practice set: The factors affecting the size of an induced e.m.f.
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Real-life Nigeria: Induction at work in Nigerian power generation
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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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Practice set: Electromagnetic induction reviewed
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Worked example: Calculating output voltage from the turns ratio
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Exam prep: Energy losses in a transformer, and how they are reduced
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Spot my mistake: Assuming a transformer can work on direct current
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Real-life Nigeria: Transformers in Nigeria's power transmission network
Act as my SS2 Physics tutor. Show me where transformers in Nigeria's power transmission ne