243 prompts matching "Pressure and upthrust problems"
Worked example: Calculating charge from current and time
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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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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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Practice set: Solving a series circuit problem from end to end
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Spot my mistake: Adding resistances wrongly in a series problem
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Practice set: Solving a parallel circuit problem from end to end
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Spot my mistake: Overloading a socket, and what follows from it
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Spot my mistake: The d.c. generator and the commutator
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Worked example: The strength of an electromagnet and what affects it
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Worked example: Electrical safety and the cost of energy reviewed
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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Real-life Nigeria: Electric motors in Nigerian homes and industry
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Worked example: Writing an equation for alpha decay and for beta decay
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Spot my mistake: Background radiation, and allowing for it
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Real-life Nigeria: Radioisotopes in Nigerian medicine and agriculture
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Worked example: The rotation and the revolution of the earth
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Spot my mistake: The greenhouse effect and the ozone layer
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