1
GATE ECE 2016 Set 2
MCQ (Single Correct Answer)
+2
-0.6
The parallel-plate capacitor shown in the figure has movable plates. The capacitor is charged
so that the energy stored in it is E when the plate separation is d. The capacitor is then isolated
electrically and the plates are moved such that the plate separation becomes 2d.
![GATE ECE 2016 Set 2 Electromagnetics - Maxwell Equations Question 20 English](https://gateclass.cdn.examgoal.net/examside/questions/259fbababbade0301816b334d799d31cde4f1614aa8cafcc71ba001cfef7e055.jpg)
At this new plate separation, what is the energy stored in the capacitor, neglecting fringing effects?
2
GATE ECE 2015 Set 3
Numerical
+2
-0
A coaxial capacitor of inner radius 1 mm and outer radius 5 mm has a capacitance per
unit length of 172 pF/m. If the ratio of outer radius to inner is doubled, the capacitance
per unit length (in pF/m) is _____.
Your input ____
3
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+2
-0.6
If $$\overrightarrow{\mathrm E}=-\left(2\mathrm y^2\;-3\mathrm{yz}^2\right)\widehat{\mathrm x}\;-\left(6\mathrm{xy}^2-3\mathrm{xz}^2\right)\widehat{\mathrm y}+\left(6\mathrm{xyz}\right)\widehat{\mathrm z}$$
is the electric field in a source free region, a valid expression for the electrostatic potential is
4
GATE ECE 2014 Set 4
Numerical
+2
-0
The electric field (assumed to be one-dimensional) between two points A and B is shown. Let
$$\psi_A$$ and $$\psi_B$$ be the electrostatic potentials at A and B, respectively. The value of $$\psi_A$$ − $$\psi_B$$ in
Volts is ________.
![GATE ECE 2014 Set 4 Electromagnetics - Maxwell Equations Question 22 English](https://gateclass.cdn.examgoal.net/examside/questions/0f4715be8abe6fd02959ac9dc5ca2becd4afc2d3c90b896ccc3e29c8f7638b73.jpg)
![GATE ECE 2014 Set 4 Electromagnetics - Maxwell Equations Question 22 English](https://gateclass.cdn.examgoal.net/examside/questions/0f4715be8abe6fd02959ac9dc5ca2becd4afc2d3c90b896ccc3e29c8f7638b73.jpg)
Your input ____
Questions Asked from Maxwell Equations (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2022 (1)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 2 (1)
GATE ECE 2015 Set 3 (1)
GATE ECE 2014 Set 4 (2)
GATE ECE 2014 Set 3 (1)
GATE ECE 2012 (2)
GATE ECE 2010 (1)
GATE ECE 2008 (1)
GATE ECE 2003 (1)
GATE ECE 2001 (1)
GATE ECE 1993 (1)
GATE ECE 1990 (2)
GATE ECE 1989 (1)
GATE ECE 1988 (2)
GATE ECE 1987 (2)
GATE ECE Subjects
Signals and Systems
Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics