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Unit 6: How many toy batteries would it take to start a real car?
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We start by refreshing some basic concepts about current and voltage. Then, we visualise how current actually flows and use it to get to our well known Ohm's law.
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- Motion of electrons within a conductorGet 3 of 4 questions to level up!
- Relaxation time, drift speed, and currentGet 3 of 4 questions to level up!
- Predict changes in drift velocityGet 5 of 7 questions to level up!
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- Factors affecting resistance (basic)Get 3 of 4 questions to level up!
- Calculating resistance, voltage, and current using Ohm's lawGet 3 of 4 questions to level up!
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- Finding currents and voltages (pure circuits)Get 3 of 4 questions to level up!
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- Simplifying resistor networksGet 3 of 4 questions to level up!
- Finding currents and voltages (mixed circuits)Get 3 of 4 questions to level up!
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- Cells: emf and internal resistanceGet 3 of 4 questions to level up!
- Cells in series and parallelGet 3 of 4 questions to level up!
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