250 prompts matching "Using Hooke's law on a spring that has already been overstretched"
Worked example: The neutral point, and where it occurs
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Practice set: The field around a straight current-carrying wire
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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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Quiz: Optical instruments and the electromagnetic spectrum reviewed
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Worked example: The molecular theory of matter reviewed
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Exam prep: Magnetism and magnetic fields reviewed
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Spot my mistake: The errors most often made in first-term SS2 Physics
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Let me explain: The gold-leaf electroscope and the uses it is put to
I have just studied the gold-leaf electroscope and the uses it is put to in my SS2 Physics
Worked example: Calculating charge from current and time
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Practice set: The effects of an electric current
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Quiz: Potential difference, and how it differs from e.m.f.
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Practice set: Internal resistance and the lost volts
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Let me explain: Resistivity and the factors affecting resistance
I have just studied resistivity and the factors affecting resistance in my SS2 Physics cla
Worked example: Calculating resistance from voltage and current
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Exam prep: Measuring resistance with a metre bridge or a potentiometer
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Quiz: Current in a series circuit
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Worked example: Calculating the effective resistance of resistors in series
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Practice set: Solving a series circuit problem from end to end
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Quiz: Current in a parallel circuit
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