Experiment 2. Determination of equivalent resistance of parallel connected resistors

Assemble 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

Compare results of measurements and calculations.

Experiment 3. Determination of the equivalent EMF of two series-connected 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

Compare the results of measurements and calculations.

Experiment 4. Determining the equivalent currents of two parallel-connected 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

Compare the results of measurements and calculations.

Date: 2018-08-27; view: 28798