501 prompts matching "Using the wrong expansivity in a calculation"
Worked example: Reading a resistor colour code and checking it
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WAEC prep: The p-n junction and the depletion region
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Real-life Nigeria: Electronics in Nigerian phone repair workshops
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Worked example: The period of a satellite at a stated orbital radius
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WAEC prep: The advantages and limitations of satellite communication
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Real-life Nigeria: NigComSat and satellite services in Nigeria
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WAEC prep: A half-paper drawn from the magnetic field and a.c. topics
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Real-life Nigeria: Where this term's physics shows up in Nigerian technology
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Worked example: Current gain of a transistor from given base and collector currents
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WAEC prep: The transistor as a switch
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Real-life Nigeria: Rectifiers in phone chargers and inverters
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Worked example: Simplifying a simple logic expression
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WAEC prep: The XOR gate and where it is used
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Real-life Nigeria: Logic gates inside a calculator and a digital meter
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WAEC prep: The deflection of an electron beam by electric and magnetic fields
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WAEC prep: The differences between fission and fusion
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WAEC prep: The uses and dangers of X-rays
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Real-life Nigeria: X-rays in Nigerian hospitals and airport security
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Worked example: Tracing current through a built circuit
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Spot my mistake: A wiring error that shorts a component
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