Experiment 2. Determination of equivalent resistance of parallel connected resistorsAssemble the circuit shown in fig. 3. 2.
Turn on the modeling process. Using switches the scheme, measure the resistance of a single resistor, then the second and the resistance of parallel connected resistors.
Fig. 3. 2. The scheme to determine the equivalent resistance of two parallel connected resistors
The results of measurements and calculations appears in the table. 3. 2.
Table 3. 2
Results determination of the resistance of resistors
Rooms closed
switches
 The measured value
resistance
 The Calculated value
resistances






 1,2



Compare results of measurements and calculations.
Experiment 3. Determination of the equivalent EMF of two seriesconnected sources
Follow the connection elements according to the scheme depicted in fig. 3.3.
Switching the sources, measure the equivalent EMF and calculate them.
The results of measurements and calculations appears in the table. 3. 3.
Fig. 3. 3. The scheme to determine the equivalent EMF connected in series signal sources
Table 3. 3
The results of determining the values of the EMF
Closed numbers
switches'
 The Measured value of the EMF
 The Calculated EMF value










Compare the results of measurements and calculations.
Experiment 4. Determining the equivalent currents of two parallelconnected sources
Assemble the circuit according to fig. 3. 4.
Turn on the circuit modeling and, alternately closing one of the switches, measure the equivalent currents, and calculate these currents.
The results of measurements and calculations appears in the table 3. 4.
Fig. 3. 4. The scheme for determining equivalent current of two parallel connected sources
Table 3. 4
The results of measurement of currents
Rooms closed
switches
 The Measured value of the current
 The calculated value of current










Compare the results of measurements and calculations.
Date: 20180827; view: 27840
