# GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 848 - 852 of 1076

Access detailed explanations (illustrated with images and videos) to **1076** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

## Question 848

Appeared in Year: *2017*

### Question

MCQ▾The Nyquist plot of the transfer function

does not encircle the point for but does not encircle the point for Then the closed loop system (having unity gain feedback) is

### Choices

Choice (4) | Response | |
---|---|---|

a. | Unstable for and unstable for | |

b. | Stable for and unstable for | |

c. | Unstable for and stable for | |

d. | Stable for and stable for |

## Question 849

Appeared in Year: *2015*

### Question

Numeric Answer▾Consider the bode plot shown in figure. Assume that all the poles and zeros are really valued.

The value of is …

## Question 850

Appeared in Year: *2016*

### Question

Numeric Answer▾In the following integral, the contour C encloses the point and .

The value of the integral is …

## Question 851

Appeared in Year: *2016*

### Question

Numeric Answer▾The Discrete Fourier Transform (DFT) of the point sequence

If is the DFT of the 12-point sequence the value of is …

## Question 852

Appeared in Year: *2016*

### Question

Numeric Answer▾An op-amp has a finite open loop voltage gain of . Its input offset voltage is modelled as shown in the circuit below. The amplifier is ideal in all other respects. is .

The output voltage is …