230 prompts matching "Current gain of a transistor from given base and collector currents"
Worked example: Calculating charge from current and time
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Worked example: Calculating resistance from voltage and current
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Let me explain: Lenz's law and the direction of an induced current
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Real-life Nigeria: The hazards of radiation and the precautions taken against them
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Practice set: The effects of an electric current
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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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Practice set: Pitch, loudness and quality as properties of a musical note
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Practice set: Overtones, harmonics and the quality of a note
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Quiz: Conventional current and electron flow
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Exam prep: The magnetic effect of an electric current reviewed
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Quiz: The structure of a transformer and its two coils
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Exam prep: The models of the atom compared, from Thomson to Bohr
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Practice set: The decay constant and the activity of a source
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Practice set: The classification of stars by colour and temperature
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Quiz: The scale of the universe and the light year
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Real-life Nigeria: Dispersion of white light and the spectrum it produces
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Exam prep: Calculating frequency and wavelength from the wave speed
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Let me explain: The speed of sound in solids, liquids and gases
I have just studied the speed of sound in solids, liquids and gases in my SS2 Physics clas