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Simple electric circuits (2 experiments) |
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Electrical conductors and insulators |
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Production of heat and light |
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Various sources of electricity *) |
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Conduction in liquids *) |
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Single-pole change-over switches (SPDT) |
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Two-way switches |
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Measurement of current in a simple electric circuit **) |
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Measurement of voltage in a simple electric circuit **) |
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Incandescent lamps connected in series |
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Incandescent lamps connected in parallel |
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Terminal voltage and open-circuit (no-load) voltage **) |
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Batteries connected in series and parallel **) |
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Battery made from a lemon **) |
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Relationship between voltage and current determined by varying voltage *)**) |
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How electrical power depends on other variables in an electric circuit *)**) |
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How electrical work depends on other variables in an electric circuit *)**) |
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Ohmic resistance *)**) |
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How electrical resistance depends on temperature (2 experiments) *)**) |
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How electrical resistance depends on the length of the wire *)**) |
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How electrical resistance depends on the cross section of the wire *)**) |
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How electrical resistance depends on the material of the wire *)**) |
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Resistivity *)**) |
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Resistors connected in series *)**) |
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Resistors connected in parallel *)**) |
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Variable resistors |
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Potentiometers *)**) |