250 prompts matching "Step-down transformers on Nigerian distribution poles"
Quiz: Potential difference, and how it differs from e.m.f.
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Quiz: Ohm's law and how it is stated
Act as my SS2 Physics tutor and quiz me on Ohm's law and how it is stated. Ask five questi
Let me explain: Resistivity and the factors affecting resistance
I have just studied resistivity and the factors affecting resistance in my SS2 Physics cla
Worked example: Calculating resistance from voltage and current
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Exam prep: Measuring resistance with a metre bridge or a potentiometer
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Quiz: Current in a series circuit
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Worked example: Calculating the effective resistance of resistors in series
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Quiz: Current in a parallel circuit
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Worked example: Calculating the effective resistance of resistors in parallel
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Quiz: The fuse and how it protects a circuit
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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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Spot my mistake: Overloading a socket, and what follows from it
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Worked example: Calculating an induced electromotive force
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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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Let me explain: The field pattern around a straight wire and around a coil
I have just studied the field pattern around a straight wire and around a coil in my SS2 P
Worked example: The strength of an electromagnet and what affects it
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Spot my mistake: The moving-coil galvanometer
Act as my SS2 Physics tutor. Show me a worked solution on the moving-coil galvanometer wit