239 prompts matching "Turns ratio and output voltage of a transformer"
Worked example: Calculating output voltage from the turns ratio
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Real-life Nigeria: Resonance and the vibration of air columns
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Quiz: The structure of a transformer and its two coils
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Real-life Nigeria: Dispersion of white light and the spectrum it produces
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Real-life Nigeria: Uses of magnets in Nigerian homes and industry
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Real-life Nigeria: The maintenance and charging of a car battery
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Practice set: The efficiency of a transformer
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Real-life Nigeria: Eclipses of the sun and of the moon explained
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Quiz: Rectilinear propagation and the formation of shadows
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Practice set: Refraction of light and the change of speed between media
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Quiz: Defects of vision and the lenses that correct them
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Let me explain: The speed of sound in solids, liquids and gases
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Practice set: Pitch, loudness and quality as properties of a musical note
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Exam prep: The frequency, wavelength and amplitude of a sound wave
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Spot my mistake: Reflection of sound and the formation of echoes
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Physics at work: The range of human hearing, and ultrasound beyond it
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Quiz: Vibration in strings and the factors affecting the frequency
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Let me explain: Vibration in air columns, in open and closed pipes
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Practice set: Overtones, harmonics and the quality of a note
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