230 prompts matching "Current gain of a transistor from given base and collector currents"
Let me explain: Vibration in air columns, in open and closed pipes
I have just studied vibration in air columns, in open and closed pipes in my SS2 Physics c
Worked example: Calculating the fundamental frequency of a stretched string
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Exam prep: Noise and the effect it has on health
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Real-life Nigeria: Ultrasound in medicine and in industry
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Physics at work: Sound in Nigerian music, broadcasting and building design
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Let me explain: Diffusion in gases and in liquids
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Exam prep: Surface tension and the effects it produces
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Spot my mistake: Capillarity, and why liquids rise in narrow tubes
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Let me explain: The difference between mass and weight
I have just studied the difference between mass and weight in my SS2 Physics class. Let me
Exam prep: Gravitational potential energy and escape velocity
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Real-life Nigeria: Satellites and the orbits they keep
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Physics at work: Gravity in engineering and in space science
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Worked example: Magnetic induction and how it works
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Exam prep: The earth's magnetic field and the compass
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Spot my mistake: Magnetic screening and how it is achieved
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Teach me: What a magnetic field is and how it is represented
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Worked example: The neutral point, and where it occurs
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Exam prep: The field around a solenoid and the right-hand grip rule
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Spot my mistake: Magnetic flux and magnetic flux density
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Real-life Nigeria: The electromagnet and the uses it is put to
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