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The instructions and problems for a circuit analysis lab in ee40, fall 2005. Students are required to sketch current-voltage characteristics, find norton equivalents, calculate time constants and capacitor energy, and determine thevenin resistances. Lab problems involve analyzing nonlinear elements and circuits with capacitors.
Typology: Exams
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a) (15 Points) From the data in the table below, sketch the current versus voltage for the nonlinear element (NLE) and label the current and voltage of all known points.
VoltageNLE PowerNLE CurrentNLE Volts mW mA 0 0 1 1 3 2
b) (20 points) Find the Norton equivalent circuit seen by the NLE in the circuit below.
VNLE
a) (10 Points) Find the time constant to change the charge on the capacitor when the switch is closed.
b) (14 Points) The switch is opened. At the instant that Vout is 3V, find the energy in the capacitor and power into the capacitor
c) (16 Points) The switch is opened. Define the time that Vout is 3V to be tOBSERVE. Find the capacitor voltage as a function of time for t>tOBSERVE
