501 prompts matching "The projector and how it throws an enlarged image"
Worked example: Turns ratio and output voltage of a transformer
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Real-life Nigeria: Magnets in loudspeakers and electric generators
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Real-life Nigeria: Neon signs and fluorescent tubes
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Teach me: How light travels along an optical fibre
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Spot my mistake: Assuming light bends round the fibre rather than reflecting
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Real-life Nigeria: Lasers in surgery, printing and barcode scanning
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Physics at work: Laser and photonics work
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Practice set: Dimensional problems across mechanics quantities
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Worked example: Thrust from a stated exhaust speed and mass flow rate
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Worked example: Calculating the flux density at a point near a long straight wire
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WAEC prep: Magnetic flux and flux linkage in a coil
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Teach me: The interaction of a magnetic field with a current-carrying conductor
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Worked example: Calculating the force on a conductor placed at an angle to a field
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Practice set: The torque on a rectangular coil in a uniform field
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Real-life Nigeria: The electric motor as an application of the motor effect
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WAEC prep: Reading period and frequency from an a.c. waveform
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Worked example: Impedance of a series RLC circuit from given values
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Teach me: The idea that atomic energy is quantised
You are my personal SS3 Physics tutor. Teach me the idea that atomic energy is quantised,
WAEC prep: Emission and absorption spectra compared
Act as a WAEC Physics examiner. I am in SS 3. Set me five exam-style questions on emission
Quiz: Threshold frequency and work function
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