ECE 2006
UMD
Fall, 2006
NAME: ______________________
EXAM 2: 100 Points – Show work for partial credit
1. (10 Points): Consider the Ideal Op Amp Circuit:
5 Pts - Write an equation for Vo in terms of Vs:
5 Pts – If the output voltage Vo, is 9 Volts, find Ix:
2. (15 Points): Consider the Ideal Op Amp Circuit:
5 Pts – Find V_ in terms of Vs
5 Pts – Find VA in terms of Vs
5 Pts – Find Vo in terms of Vs
Scott Norr
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7/1/2016
ECE 2006
UMD
Fall, 2006
3. (25 Points): For the following steady-state DC circuit:
5 Pts – Find Ix
10 Pts – Find Vx
5 Pts – Find V-thevenin between A and B
5 Pts – Find R-thevenin between A and B
Scott Norr
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7/1/2016
ECE 2006
UMD
Fall, 2006
4. (10 Points): Calculate the value of C1
5. (15 Points): Find Vo in the steady-state DC circuit shown below:
Scott Norr
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7/1/2016
ECE 2006
6.
UMD
Fall, 2006
(25 Points): The switch in the circuit below has been CLOSED for a long while
and then OPENS at time t=0.
5 Pts – Find Vc(0-)
5 Pts – Find Ic(0+)
5 Pts – Find Vc (∞)
5 Pts – Find Rthevenin from the point of view of the pair of capacitors
5 Pts – Write either the equation for Vc(t) OR Ic(t) for time greater than zero
Scott Norr
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7/1/2016