Question 1

Linear KKT converts the KKT integrals into a linear form.

Accepted Answer

A) True 
 B)False  False

Question 2

A given EIS data was validated using the measurement model approach. It shows large systematic residuals. This could be because

Accepted Answer

A)  data is from a system which is not KKT compliant 
B)  model fitting is not done properly 
C)  either of the above 
D)  none of the above C

Question 3

Linear KKT software employs

Accepted Answer

A)  KKT by integration 
B)  linearization of KKT equation 
C)  measurement model approach 
D)  KKT with extrapolation C

Question 4

The challenges in applying KKT by integration is

Accepted Answer

A)  limited frequency range of data 
B)  wide spacing in frequency 
C)  both of the above 
D)  none of the above

Question 5

When data contains negative values for real part of impedance, KKT must be performed on ______________ form of data (one word).

Accepted Answer

The answer of When data contains negative values for real...

Question 6

KKT equations relate

Accepted Answer

A)  real and imaginary part of impedance 
B)  magnitude and phase of impedance 
C)  real part of impedance and admittance 
D)  none of the above

Question 7

Impedance spectrum from a circuit consisting of passive elements

Accepted Answer

A)  is KKT compliant only if the perturbation is small 
B)  is KKT compliant only if multi-sine is applied 
C)  is always KKT compliant 
D)  is never KKT complaint.

Question 8

In the measurement model approach, a circuit of the following type can be used

Accepted Answer

A)  Ladder 
B)  Voigt 
C)  Warburg 
D)  all of the above

Question 9

When stability criterion is violated, difference between original and KK transformed data appear mainly in __________________ frequencies (one word)

Accepted Answer

The answer of When stability criterion is violated, difference between...

Question 10

Data from linear, causal, and stable system will always be KKT compliant.

Accepted Answer

A) True 
 B)False

Question 11

If the real part of an impedance spectrum has negative values, they can be converted to positive values by

Accepted Answer

A)  adding a large enough resistor in series 
B)  adding a large enough capacitor in parallel 
C)  adding a small enough capacitor in series 
D)  adding a small enough resistance in parallel

Question 12

If a potential instability is present, then the effect manifests mainly in

Accepted Answer

A)  high frequencies 
B)  low frequencies 
C)  both of the above 
D)  none of the above

Exam 3: Data Validation