# Networks, Signals and Systems [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 90 - 93 of 141

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## Question 90

Appeared in Year: *2015*

### Question

MCQ▾The output of a standard second-order system for a unit step input is given as . The transfer function of the system is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 91

Appeared in Year: *2015*

### Question

Numeric Answer▾Two sequences and have the same energy. Suppose , where is a positive real number is and is the unit step sequence. Assume

Then the value of is …

## Question 92

Appeared in Year: *2017*

### Question

MCQ▾Consider the following statements for continuous-time linear time invariant (LTI) systems

I. There is no bounded input bounded output (BIBO) stable system with a pole in the right half of the complex plane.

II. There is no causal and BIBO stable system with a pole in the right half of the complex plane.

Which one among the following is correct?

### Choices

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

a. | Both I and II are true | |

b. | Only I is true | |

c. | Both I and II are not true | |

d. | Only II is true |

## Question 93

Appeared in Year: *2017*

### Question

Numeric Answer▾In the circuit shown the voltage is described by:

Where ‘t’ is in seconds. The time (in seconds) at which the current I in the circuit will reach the value Ampere is …