501 prompts matching "Applying Ohm's law to find an unknown quantity"
Let me explain: The hysteresis loop and what its area represents
I have just studied the hysteresis loop and what its area represents in my SS3 Physics cla
Practice set: Problems on magnetisation and demagnetisation
Act as my SS3 Physics tutor. Give me five practice questions on problems on magnetisation
Spot my mistake: Choosing a hard magnetic material for a transformer core
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Physics at work: Electrical machine manufacture
Act as my SS3 Physics tutor. Explain which Nigerian jobs and industries depend on electric
Let me explain: The discharge tube and the effect of pressure
I have just studied the discharge tube and the effect of pressure in my SS3 Physics class.
Real-life Nigeria: Neon signs and fluorescent tubes
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Teach me: How light travels along an optical fibre
You are my personal SS3 Physics tutor. Teach me how light travels along an optical fibre,
Quiz: Total internal reflection as the basis of the fibre
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Let me explain: The structure of a fibre: core, cladding and coating
I have just studied the structure of a fibre: core, cladding and coating in my SS3 Physics
Worked example: The critical angle from stated refractive indices
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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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Real-life Nigeria: Fibre backbones carrying Nigerian internet traffic
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Quiz: Stimulated emission and population inversion
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Let me explain: Coherence, monochromaticity and collimation
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Worked example: Photon energy of a laser of stated wavelength
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Real-life Nigeria: Lasers in surgery, printing and barcode scanning
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Teach me: Base quantities and their dimensions
You are my personal SS3 Physics tutor. Teach me base quantities and their dimensions, usin
Let me explain: Checking an equation for dimensional consistency
I have just studied checking an equation for dimensional consistency in my SS3 Physics cla
Practice set: Dimensional problems across mechanics quantities
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