250 prompts matching "Electroplating in Nigerian metal workshops"
Spot my mistake: Magnetic screening and how it is achieved
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Quiz: Magnetic field lines and their properties
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Let me explain: Plotting the field around a bar magnet
I have just studied plotting the field around a bar magnet in my SS2 Physics class. Let me
Worked example: The neutral point, and where it occurs
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Practice set: The field around a straight current-carrying wire
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Quiz: Optical instruments and the electromagnetic spectrum reviewed
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Let me explain: Sound, its nature and its applications reviewed
I have just studied sound, its nature and its applications reviewed in my SS2 Physics clas
Spot my mistake: The errors most often made in first-term SS2 Physics
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Quiz: Charging by friction, by contact and by induction
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Let me explain: The gold-leaf electroscope and the uses it is put to
I have just studied the gold-leaf electroscope and the uses it is put to in my SS2 Physics
Practice set: Conductors, insulators and semiconductors
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Spot my mistake: Lightning and the lightning conductor
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Let me explain: The ammeter and how it is connected
I have just studied the ammeter and how it is connected in my SS2 Physics class. Let me ex
Worked example: Calculating charge from current and time
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Spot my mistake: Connecting an ammeter in parallel by mistake
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Let me explain: The voltmeter and how it is connected
I have just studied the voltmeter and how it is connected in my SS2 Physics class. Let me
Worked example: Calculating the work done in moving a charge
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Practice set: Internal resistance and the lost volts
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Exam prep: Cells connected in series and in parallel
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Let me explain: Resistivity and the factors affecting resistance
I have just studied resistivity and the factors affecting resistance in my SS2 Physics cla