GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 814 - 819 of 1076

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Question 814

Time Domain Analysis of Simple Linear Circuits

Appeared in Year: 2017

Question

Numeric Answer▾

In the circuit shown, the positive angular frequency (in radians per second) at which the magnitude of the phase difference between the voltages and equals radians, is …

The Circuit Shown, the Positive Angular Frequency

Question 815

Frequency Domain Analysis of RLC Circuits

Appeared in Year: 2017

Question

Numeric Answer▾

The switch in the circuit, shown in the figure, was open for a long time and is closed at .

Open for a Long Time and is Closed

The current (in ampere) at is

Question 816

Appeared in Year: 2017

Question

Numeric Answer▾

Consider the state space realization

, With the initial condition

; Where denotes the unit step function. The value of is …

Question 817

Vectors in Plane and Space

Appeared in Year: 2016

Question

MCQ▾

The current density in a medium is given by:

The total current and the average current density flowing through the portion of a spherical surface are given, respectively, by

Choices

Choice (4)Response

a.

b.

c.

d.

Question 818

Differential and Integral Forms and Their Interpretation

Appeared in Year: 2015

Question

Numeric Answer▾

In a source free region in vacuum, if the electrostatic potential , the value of constant c must be …

Question 819

Appeared in Year: 2017

Question

MCQ▾

Two n-channel MOSFETs, and , are identical in all respects except that the width of is double of . Both the transistors are biased in the saturation region of operation, but the gate overdrive voltage of is double that of , where are the gate-to source voltage and threshold voltage of the transistors, respectively. If the drain current and trans-conductance of are and respectively; the corresponding values of these two parameters for are

Choices

Choice (4)Response

a.

b.

c.

d.

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