# Networks, Signals and Systems [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 81 - 85 of 141

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## Question 81

Appeared in Year: *2015*

### Question

Numeric Answer▾For the circuit shown in the figure, the Thevenin equivalent voltage (in Volts) across terminals is …

## Question 82

Appeared in Year: *2017*

### Question

Numeric Answer▾Two discrete-time signal and are both non-zero only for are zero otherwise. It is given that

,

Let be the linear convolution of . Given that and , the value of the expression is

## Question 83

Appeared in Year: *2015*

### Question

MCQ▾Let the signal outside the interval where and are finite. Furthermore, . The region of convergence (ROC) of the signal՚s bilateral Laplace transform is

### Choices

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

a. | A half plane containing the axis | |

b. | A parallel strip containing the axis | |

c. | The entire s-plane | |

d. | A parallel strip not containing the axis |

## Question 84

Appeared in Year: *2016*

### Question

Numeric Answer▾In the circuit shown in the figure, the magnitude of the current (in amperes) through is …

## Question 85

Appeared in Year: *2017*

### Question

Numeric Answer▾Consider the parallel combination of two LTI systems shown in figure.

The impulse response of the system is.

If the input is a unit step signal, then the energy of y (t) is