Topic — Current, resistance, sources and analysis of electrical networks.
Present in chapters
15
Linked atoms
102 linked atoms.
15 Electric circuits
- Resistor–capacitor analogy and stored energy
- Energy balance of the cell
- Capacitors in parallel
- Capacitors in series
- Electric current
- What happens in a chemical cell
- Dependence of resistivity on temperature
- Joule effect
- Energy and power in circuits
- Worked exercise — three-branch circuit with two sources
- Worked exercise — charging RC circuit
- Worked exercise — two sources, two loops
- Worked exercise — measurement with the Wheatstone bridge
- Worked exercise — assigned powers of three parallel resistors
- Worked exercise — resistor used as a heater
- Worked exercise — capacitor network
- Worked exercise — mixed series-parallel network
- Worked exercise — infinite ladder (R_A=1, R_B=3)
- Worked exercise — infinite ladder (R_A=2, R_B=4)
- Worked exercise — series vs parallel: total power
- Electromotive force
- The golden case: equal resistors
- The circuit as a model
- The electric double layer
- The problem: why a non-electrostatic force is needed
- The self-similarity trick
- The voltmeter
- The ammeter
- The hydraulic analogy and its limits
- The ohmmeter
- Junction rule and loop rule
- Law of conservation of energy
- Wheatstone bridge
- Power of the source
- Power dissipated by the resistors
- Ohm’s first law
- Problem — self-discharge of a battery
- Problem — voltage drop in a copper cable
- Problem — electric boiler
- Problem — capacity of an AA battery
- Problem — characteristic of a real cell
- Problem — V-I characteristic
- Problem — charging an RC capacitor
- Problem — series chain with different bulbs
- Problem — chains of bulbs
- Problem — current as a flow
- Problem — current and power in a resistor
- Problem — short circuit
- Problem — voltage divider
- Problem — two batteries with Kirchhoff
- Problem — two cells in parallel
- Problem — two resistors in parallel
- Problem — energy of a laptop
- Problem — long wires and thick wires
- Problem — heated copper wire
- Problem — fuses and the Joule effect
- Problem — the trip switch that trips
- Problem — Kirchhoff with two loops
- Problem — torch bulb
- Problem — bulb off in series
- Problem — bulbs in series and in parallel
- Problem — bulbs in series or in parallel
- Problem — reading Ohm’s law from a graph
- Problem — Christmas lights in series
- Problem — AA battery for an LED torch
- Problem — Wheatstone bridge, unknown resistance
- Problem — which graph for an RC circuit
- Problem — copper with zero resistivity
- Problem — ranking of cells in series
- Problem — ranking of the power of three bulbs
- Problem — ranking of three lamp configurations
- Problem — resistance of a bulb
- Problem — resistance of an infinite ladder
- Problem — resistance and power of an ohmic conductor
- Problem — equivalent series-parallel resistance
- Problem — internal resistance of a cell
- Problem — internal resistance of an alkaline cell
- Problem — heating resistor
- Problem — resistors in parallel
- Problem — resistors in series
- Problem — network with tenfold voltage
- Problem — capacitor network
- Problem — underpowered heater
- Problem — discharging a capacitor
- Problem — same voltage, different resistances
- Problem — room-temperature superconductor
- Problem — boiling time of a kettle
- Problem — three bulbs A, B, C
- Problem — three resistances, series and parallel
- Problem — true or false on resistive circuits
- Problem — true or false on series and parallel
- Problem — balanced Wheatstone bridge
- Systematic procedure
- Internal resistance
- Resistors in parallel
- Resistors in series
- Ohm’s second law: resistivity and geometry
- Semiconductors
- Progressive simplification
- Superconductivity