227 prompts matching "Quiz: Electrical energy, power and cost of consumption"
Practice set: The ohmic conductor and the non-ohmic conductor
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Real-life Nigeria: Resistors and rheostats in practical circuits
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Worked example: Calculating the effective resistance of resistors in series
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Worked example: Calculating the effective resistance of resistors in parallel
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Exam prep: Combining series and parallel sections in one circuit
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Let me explain: Earthing, and why an appliance is earthed
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Practice set: The circuit breaker and how it works
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Spot my mistake: Overloading a socket, and what follows from it
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Exam prep: The a.c. generator and how it works
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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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Let me explain: The field pattern around a straight wire and around a coil
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Practice set: The electric bell and how it operates
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Exam prep: The relay and the telephone earpiece
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Physics at work: The loudspeaker, and how it turns current into sound
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Teach me: Electric charge, current and electromotive force reviewed
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Let me explain: Series and parallel circuits reviewed
I have just studied series and parallel circuits reviewed in my SS2 Physics class. Let me
Let me explain: The factors that determine the size of the force
I have just studied the factors that determine the size of the force in my SS2 Physics cla
Exam prep: The simple d.c. motor and how it turns
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Spot my mistake: Confusing Fleming's left-hand rule with the right-hand rule
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