501 prompts matching "Radio and television broadcasting in Nigeria"
Worked example: Turns ratio and output voltage of a transformer
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Practice set: Induced e.m.f. problems for moving conductors
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WAEC prep: Transformer energy losses and how they are reduced
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on transfor
Spot my mistake: A transformer calculation with the ratio inverted
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Real-life Nigeria: Step-down transformers on Nigerian distribution poles
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Exam timing: A timed induction problem set
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed in
Practice set: Problems on magnetisation and demagnetisation
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WAEC prep: Soft and hard magnetic materials and their uses
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on soft and
Spot my mistake: Choosing a hard magnetic material for a transformer core
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Practice set: Problems on conduction in electrolytes
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WAEC prep: The cathode ray and its properties
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Spot my mistake: Confusing electron flow with conventional current
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Quiz: Total internal reflection as the basis of the fibre
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Practice set: Problems on signal loss and fibre geometry
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Practice set: Problems on laser output and photon count
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WAEC prep: The uses and hazards of lasers
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Spot my mistake: Treating laser light as simply very bright light
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Quiz: Deriving the dimensions of a compound quantity
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WAEC prep: Using dimensions to spot a wrong formula
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on using di