486 prompts matching "Transformer energy losses and how they are reduced"
Real-life Nigeria: Cooling by evaporation in Nigerian daily life
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Worked example: Calculating the increase in length of a heated rod
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Worked example: Explaining the heating of a room by convection
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Real-life Nigeria: Keeping a Nigerian home cool without air conditioning
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Quiz: Locating the centre of gravity of a regular body
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Worked example: A balancing problem solved using the centre of gravity
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Worked example: Calculating the pressure at a given depth
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Worked example: Calculating the size of a shadow cast by a point source
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Quiz: The laws of reflection stated
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Worked example: Finding the number of images formed by two inclined mirrors
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Quiz: The laws of refraction stated
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Worked example: Finding refractive index from a pair of measured angles
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Worked example: Applying the lens formula to find the image position
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Worked example: Applying Ohm's law to find an unknown quantity
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Real-life Nigeria: Reading a Nigerian electricity meter
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Worked example: Finding the spring constant from a graph
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Worked example: Finding an unknown force on a balanced beam
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Worked example: Explaining the leaf movement in an electroscope experiment
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Real-life Nigeria: Static electricity hazards at Nigerian fuel stations
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Quiz: The effects of surface tension that can be observed
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