243 prompts matching "Refractive index and critical angle problems"
Practice set: Internal resistance and the lost volts
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Exam prep: Cells connected in series and in parallel
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Teach me: What resistance is, and what it depends on
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Quiz: Ohm's law and how it is stated
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Let me explain: Resistivity and the factors affecting resistance
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Practice set: The ohmic conductor and the non-ohmic conductor
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Exam prep: The advantages and disadvantages of a series connection
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Exam prep: Combining series and parallel sections in one circuit
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Quiz: The fuse and how it protects a circuit
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Let me explain: Earthing, and why an appliance is earthed
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Practice set: The circuit breaker and how it works
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Exam prep: Electrical energy, power and the cost of consumption
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Let me explain: Lenz's law and the direction of an induced current
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Exam prep: The a.c. generator and how it works
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Quiz: Oersted's experiment and what it showed
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Let me explain: The field pattern around a straight wire and around a coil
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Practice set: The electric bell and how it operates
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Exam prep: The relay and the telephone earpiece
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Physics at work: The loudspeaker, and how it turns current into sound
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Teach me: Electric charge, current and electromotive force reviewed
You are my personal SS2 Physics tutor. Teach me electric charge, current and electromotive