The job purpose: experimentally to research interconnections between a strength of current, power and a resistance of explorers at their series connection.
The equipment, gauges: 1) the power supply; 2) explorers of a particular resistance on a jamb; 3) a key; 4) the voltage metre; 5) the ampermeter.
1. Collect the electric circuit schema. Gauge a strength of current, having switched on the ampermeter at first between a radiant and one of explorers (I1), then between a radiant and other explorer (I2), and then between explorers (I3). Write in table 1 observed data.
2. Gauge power at first on one of explorers (U1), then on other explorer (U2), and then on both explorers (U). Outcome write in table 1.
3. Compute a resistance of the first explorer (R1), the second explorer (R2), discover their total; write results in table 1.
4. Compute a resistance of two explorers R, knowing power on them and a strength of current in a chain; write a result in table 1.
5. Draw outputs.
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