Please refer to the link below that has the image for problems 1,2 and 3* http:/

Question

Please refer to the link below that has the image for problems 1,2 and 3*

http://img.pixady.com/2017/09/920464_matlabquestion.jpg

Can you please help me solve problem 2 and 3. Use matlab coding for number 2 and any standard circuit simulation programs for problem 3.

Thanks.

Problem 2

•Next you will check whether your function works properly by applying it to different resistive, capacitive and inductive networks. For example, your function should return Rab = 4.1481 for the circuit shown on the right when you type the following in your command prompt:

Rab = findEquiv( [16 findEquiv([4 1.6], 'S', 'R')], 'P', 'R')

Or,

r1 = findEquiv( [4 1.6], 'S', 'R'); Rab = findEquiv( [16 r1], 'P', 'R')

Write expressions similar to the ones above for each of the following circuits (Figures 1-3). Include these expressions and the results with your report.

Problem 3

•For Figures 1 to 3, use a standard circuit simulation program to find the equivalent resistance, capacitance, or inductance. If the simulation program cannot directly measure any of the quantities above (e.g. if it doesn’t have an ohmmeter, it can’t measure Req), think of an indirect way of measuring it (Hint: Consider measuring the time constant of the original circuit and the equivalent circuit). Include screenshots of your simulated circuits showing the quantities of interest, and state how you measured them. Check the results against those obtained in Problem 2.

Explanation / Answer

Solution for problem 2:

Finding equivalent resistance:

>> r1 = findEquiv([20 50],'S','R')

r1 =

70

>> r2 = findEquiv([r1 10],'P','R')

r2 =

8.7500

>> r3 = findEquiv([r2 100 10],'S','R')

r3 =

118.7500

>> r4 = findEquiv([r3 25],'P','R')

r4 =

20.6522

>> r5 = findEquiv([r4 75 10],'S','R')

r5 =

105.6522

Finding equivalent capacitance:

>> c1 = findEquiv([1 4 0.5]*10^-6,'S','C')

c1 =

3.0769e-007

>> c2 = findEquiv([c1 5*10^-6],'P','C')

c2 =

5.3077e-006

>> c3 = findEquiv([c2 10*10^-6],'S','C')

c3 =

3.4673e-006

>> c4 = findEquiv([c3 1*10^-6],'P','C')

c4 =

4.4673e-006

>> c5 = findEquiv([2*10^-6 0.1*10^-6],'P','C')

c5 =

2.1000e-006

>> c6 = findEquiv([c4 c5],'S','C')

c6 =

1.4285e-006

Find equivalent inductance:

>> l1 = findEquiv([1*10^-3 0.5*10^-3],'P','L')

l1 =

3.3333e-004

>> l2 = findEquiv([0.2*10^-3 0.5*10^-3 l1],'S','L')

l2 =

0.0010

>> l3 = findEquiv([0.25*10^-3 l2],'P','L')

l3 =

2.0130e-004

>> l4 = findEquiv([0.8*10^-3 l3],'S','L')

l4 =

0.0010

>> l5 = findEquiv([2*10^-3 l4],'P','L')

l5 =

6.6724e-004

>> l6 = findEquiv([0.1*10^-3 l5],'S','L')

l6 =

7.6724e-004

>>

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