501 prompts matching "Forgetting to state the direction of a resultant"
Quiz: Peak value, root-mean-square value and their relationship
Act as my SS3 Physics tutor and quiz me on peak value, root-mean-square value and their re
Let me explain: Why a.c. is described by an r.m.s. rather than an average value
I have just studied why a.c. is described by an r.m.s. rather than an average value in my
Practice set: A purely resistive a.c. circuit and the phase between V and I
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Let me explain: Phase relationships in an inductor and in a capacitor
I have just studied phase relationships in an inductor and in a capacitor in my SS3 Physic
Practice set: Energy level diagrams and the transitions on them
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Spot my mistake: A solution that uses the wrong sign for a transition energy
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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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Worked example: Einstein's photoelectric equation applied to given data
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Real-life Nigeria: Photocells in automatic doors and light meters
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Quiz: De Broglie's hypothesis and the matter wave
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Spot my mistake: A calculation using the wrong mass in the de Broglie formula
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Real-life Nigeria: The electron microscope and why it outresolves a light one
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Teach me: Conductors, insulators and semiconductors compared
You are my personal SS3 Physics tutor. Teach me conductors, insulators and semiconductors
Quiz: Intrinsic and extrinsic semiconductors
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Worked example: Reading a resistor colour code and checking it
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Spot my mistake: A circuit drawn with a diode the wrong way round
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Spot my mistake: The errors that recur across field and circuit calculations
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Quiz: The electron gun and the deflecting plates
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Let me explain: How the time base produces a trace
I have just studied how the time base produces a trace in my SS3 Physics class. Let me exp