resistorsrev10207doc/' >relationship between voltage and current
in networks of resistors connected in series and parallel. By the end
of the lab you should have constructed 6 simple resistorsrev10207doc/' class='doin' >circuits: two
in step 1, two in step 2, and two in step 3.

PROCEDURE 

1. Construct a resistorsrev10207doc/' class='doin' >circuit with two - 1 k resistor
in parallel. Record the current through, and voltage across, each resistor
as well as the entire network. Repeat for the two - 1 k resistor
in series.

Breadboard connection scheme.

2. It is possible to construct several networks containing
series and/or parallel combinations of resistors that all have the same
equivalent resistance. Construct one such pair of networks with a total
resistance of 250 s from

a) two 1 k resistors and one 500
resistor

b) three 500 resistors and one 1 k
resistor.

Measure and record the voltage drop across and current
through each network as a whole and each component separately.

3. Using the same two sets of resistors (a and b
from part 2), construct two new networks which have a total resistance
of 1 k. Measure the voltage drop across, and current through,
each network as a whole and each component separately.

GRAPHS AND DIAGRAMS

1.  Make schematic diagrams of each configuration
used in steps 2 and 3 of this experiment. Use the notation introduced
in the textbook to represent the components. Label all components.

2. Show how to reduce the resistorsrev10207doc/' class='doin' >circuits from steps 2 and
3 to the indicated values of resistance.

QUESTIONS AND CALCULATIONS

1. From your measurements on the 1 k resistors
(step 1), verify that your resistorsrev10207doc/' class='doin' >circuit gives the correct value of the resistance.

2. Compute the equivalent resistances of the two
1 k resistors in parallel and series. Compare these to the expected
values. Compute the current through and the voltage drop across each
resistor Compare these to the measured values.

3. Compute the expected equivalent resistances of
the four networks from steps 2 and 3. Compute the experimental values
for the voltage and current measurements and compare to the expected
values. Compute the voltage drop across and current through each resistor
and compare with the observed values.