# The High Frequency T Model MCQ’s

This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “The High Frequency T Model”.

1. Which model is similar to the high frequency T model?
a) G model
b) Hybrid-pi model
c) Inverse G model
d) Z model

2. How do we determine the hybrid parameters h11 and h21 in a high frequency T model?
a) Short circuiting the input terminal
b) Open circuiting the input terminal
c) Short circuiting the output terminal
d) Open circuiting the output terminal

3. What is the T represent in high frequency T model?
a) Transmission
b) Transistor
c) Tailgate
d) Thorough

4. Which hybrid parameter is used to calculate forward current gain in a high frequency T model?
a) h11
b) h12
c) h21
d) h22

5. How do we calculate the value of hybrid parameter h12 if V2 = 20V and V1 = 50V in a high frequency T model?
a) 0.04
b) 0.25
c) 0.4
d) 2.5

6. Which of the following four hybrid parameters is used to calculate reverse voltage gain in a high frequency T model?
a) h11
b) h12
c) h21
d) h22

7. What is h11 also known as in a high frequency T model?
a) Input conductance
b) Input resistance
c) Output conductance
d) Output resistance

8. How do we determine the hybrid parameters h12 and h22 in a high frequency T model?
a) Short circuiting the input terminal
b) Open circuiting the input terminal
c) Short circuiting the output terminal
d) Open circuiting the output terminal

9. In a high frequency T model, which parameter is known as the output conductance?
a) h11
b) h12
c) h21
d) h22

10. How do we determine the value of the hybrid parameter h21 in a high frequency T model?
a) h21 = I1 / I2
b) h21 = V1 / V2
c) h21 = I2 / I1
d) h21 = V2 / V1