243 prompts matching "X-ray intensity and penetrating power problems"
Real-life Nigeria: Linking waves, sound and light together
Act as my SS2 Physics tutor. Show me where linking waves, sound and light together turns u
Worked example: Coulomb's law and the force between two charges
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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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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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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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Real-life Nigeria: Induction at work in Nigerian power generation
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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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Real-life Nigeria: Transformers in Nigeria's power transmission network
Act as my SS2 Physics tutor. Show me where transformers in Nigeria's power transmission ne