163 prompts matching "A lens formula problem with sign convention"
Quiz: Charging by friction, by contact and by induction
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Worked example: Coulomb's law and the force between two charges
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Real-life Nigeria: Static electricity in Nigerian daily life
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Teach me: What electric current is, and how it is measured
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Worked example: Calculating charge from current and time
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Real-life Nigeria: Measuring the current in a Nigerian household circuit
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Teach me: What electromotive force means
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Quiz: Potential difference, and how it differs from e.m.f.
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Worked example: Calculating the work done in moving a charge
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Real-life Nigeria: The maintenance and charging of a car battery
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Physics at work: Electromotive force in Nigerian power generation
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Teach me: What resistance is, and what it depends on
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Quiz: Ohm's law and how it is stated
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Worked example: Calculating resistance from voltage and current
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Real-life Nigeria: Resistors and rheostats in practical circuits
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Teach me: What a series circuit is
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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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Real-life Nigeria: Series circuits in Nigerian decorative lighting
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Teach me: What a parallel circuit is
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