501 prompts matching "Exam prep: Measuring resistance with a metre bridge or a potentiometer"
Let me explain: Why a.c. is described by an r.m.s. rather than an average value
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Practice set: A purely resistive a.c. circuit and the phase between V and I
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Real-life Nigeria: Why Nigerian mains is quoted as 220 volts
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Practice set: Current and voltage in a series RLC circuit
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Real-life Nigeria: Tuning a radio receiver as an application of resonance
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Let me explain: How an electron transition produces a spectral line
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Practice set: Energy level diagrams and the transitions on them
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Real-life Nigeria: The sodium street lamp and the light it emits
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Let me explain: Why increasing intensity does not increase photoelectron energy
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Practice set: Maximum kinetic energy of emitted electrons
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Let me explain: Why a cricket ball shows no observable wave behaviour
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Practice set: Comparing de Broglie wavelengths of different particles
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Real-life Nigeria: The electron microscope and why it outresolves a light one
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Let me explain: N-type and p-type doping
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Practice set: Identifying components in a simple circuit diagram
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Real-life Nigeria: NigComSat and satellite services in Nigeria
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Let me explain: The link between energy quantisation and the photoelectric effect
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Practice set: A mixed problem set spanning fields, a.c. circuits and quantisation
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Real-life Nigeria: Where this term's physics shows up in Nigerian technology
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Let me explain: How the time base produces a trace
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