# GATE (Graduate Aptitude Test in Engineering) Electrical Engineering: Questions 117 - 122 of 148

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## Question 117

Appeared in Year: *2019*

### Write in Short

Short Answer▾The current flowing in the circuit shown below in amperes is ________.

## Question 118

Appeared in Year: *2019*

### Question

MCQ▾The characteristic equation of a linear time-invariant (LTI) system is given by

The system is BIBO stable if

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 119

Appeared in Year: *2018*

### Question

MCQ▾The op-amp shown in the figure is ideal. The input impedance is given by

### Choices

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

a. | ||

b. | ||

c. | ||

d. | Z |

## Question 120

Appeared in Year: *2018*

### Question

MCQ▾A continuous-time input signal is an eigenfunction of an LTI system, if the output is

### Choices

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

a. | , where k is an eigenvalue and is a frequency response of the system | |

b. | , where is a complex exponential signal | |

c. | , where k is an eigenvalue | |

d. | , where k is an eigenvalue and is a complex exponential signal |

## Question 121

Appeared in Year: *2019*

### Question

MCQ▾The output expression for the Karnaugh map shown below is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 122

Appeared in Year: *2012*

### Question

MCQ▾Let denote the convolution of and , where and is a causal sequence. If and , then equals

### Choices

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

a. | 0 | |

b. | ||

c. | ||

d. | 1 |