A7 Electrodynamics

24 Feasible experiments

• Electricity
• Electric charge
• Electric charges in matter
• Conductors and insulators
• Electric field
• The energy of the electric field – electric potential
• Battery
• Voltmeter
• Electric circuit
• The intensity of the electric current – the ammeter
• The first law of Ohm
• The second law of Ohm
• Resistivity
• How to measure the electrical resistance
• Series of resistors
• Rheostat
• Parallel of resistors
• Electric networks
• Potentiometer
• Internal resistance of a battery
• The thermal effect of the electric current
• Electrical conduction in liquids
• Electrolysis