501 prompts matching "Calculating the force on a current-carrying conductor"
Quiz: Conduction through a gas at reduced pressure
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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.
Practice set: Problems on conduction in electrolytes
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WAEC prep: The cathode ray and its properties
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Real-life Nigeria: Neon signs and fluorescent tubes
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Exam timing: A timed conduction problem set
Act as my SS3 Physics tutor with WAEC close. Set me a timed run of questions on a timed co
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,
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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WAEC prep: The advantages of fibre over copper cable
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Physics at work: Telecommunications
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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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Practice set: Problems on laser output and photon count
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WAEC prep: The uses and hazards of lasers
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on the uses
Physics at work: Laser and photonics work
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Let me explain: Checking an equation for dimensional consistency
I have just studied checking an equation for dimensional consistency in my SS3 Physics cla