228 prompts matching "Quiz: Convection currents and where they arise"
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: Coulomb's law and the force between two charges
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Practice set: Conductors, insulators and semiconductors
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Spot my mistake: Lightning and the lightning conductor
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Let me explain: The ammeter and how it is connected
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Let me explain: The voltmeter and how it is connected
I have just studied the voltmeter and how it is connected in my SS2 Physics class. Let me
Practice set: Internal resistance and the lost volts
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Spot my mistake: Primary cells and secondary cells compared
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Teach me: What resistance is, and what it depends on
You are my personal SS2 Physics tutor. Teach me what resistance is, and what it depends on
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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Let me explain: Earthing, and why an appliance is earthed
I have just studied earthing, and why an appliance is earthed in my SS2 Physics class. Let
Practice set: The circuit breaker and how it works
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Spot my mistake: Overloading a socket, and what follows from it
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Spot my mistake: The d.c. generator and the commutator
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Let me explain: The field pattern around a straight wire and around a coil
I have just studied the field pattern around a straight wire and around a coil in my SS2 P
Worked example: The strength of an electromagnet and what affects it
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Practice set: The electric bell and how it operates
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Let me explain: Series and parallel circuits reviewed
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Worked example: Electrical safety and the cost of energy reviewed
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