250 prompts matching "What makes a quantity scalar or vector"
Worked example: The neutral point, and where it occurs
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Worked example: The molecular theory of matter reviewed
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Spot my mistake: The errors most often made in first-term SS2 Physics
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Worked example: Coulomb's law and the force between two charges
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Practice set: Conductors, insulators and semiconductors
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Spot my mistake: Lightning and the lightning conductor
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Worked example: Calculating charge from current and time
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Exam prep: Current in a metallic conductor and in an electrolyte
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Worked example: Calculating the work done in moving a charge
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Worked example: Calculating resistance from voltage and current
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Practice set: The ohmic conductor and the non-ohmic conductor
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Exam prep: Measuring resistance with a metre bridge or a potentiometer
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Real-life Nigeria: Resistors and rheostats in practical circuits
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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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Worked example: Calculating the effective resistance of resistors in parallel
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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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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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