173 prompts matching "How a communication satellite relays a signal"
Practice set: Conductors, insulators and semiconductors
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Exam prep: The unit of charge and the quantisation of charge
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Spot my mistake: Lightning and the lightning conductor
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Real-life Nigeria: Static electricity in Nigerian daily life
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Worked example: Calculating charge from current and time
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Practice set: The effects of an electric current
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Exam prep: Current in a metallic conductor and in an electrolyte
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Spot my mistake: Connecting an ammeter in parallel by mistake
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Real-life Nigeria: Measuring the current in a Nigerian household circuit
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Worked example: Calculating the work done in moving a charge
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Practice set: Internal resistance and the lost volts
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Exam prep: Cells connected in series and in parallel
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Spot my mistake: Primary cells and secondary cells compared
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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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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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Spot my mistake: The effect of temperature on resistance
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Real-life Nigeria: Resistors and rheostats in practical circuits
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