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1
GATE ECE 2001
MCQ (Single Correct Answer)
+2
-0.6
A material has conductivity of 10-2 mho/m and a relative permittivity of 4. The frequency at which the conduction current in the medium is equal to the displacement current is
A
45 MHz
B
90 MHz
C
450 MHz
D
900 MHz
2
GATE ECE 1993
Fill in the Blanks
+2
-0

Given,$$\overrightarrow V=x\cos^2y\;\;\widehat{\mathrm i}\;+\;\mathrm x^2\mathrm e^\mathrm z\;\widehat{\mathrm j}\;+\;\mathrm{zsin}^2\mathrm y\;\widehat{\mathrm k}$$ and S the surface of a unit cube with one corner at the origin and edges parallel to the coordinate axes, the value of the integral is

GATE ECE 1993 Electromagnetics - Maxwell Equations Question 32 English
3
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
Which of the following field equations indicate that the free magnetic charges do not exits?
A
$$\mathop H\limits^ \to = {1 \over \mu }\,\nabla \, \times \,A$$
B
$$\mathop H\limits^ \to = \oint {{{Id\,\ell \, \times \,R\,} \over {4\,\,\pi \,\,{R^2}}}} $$
C
$$\nabla \,.\,\mathop H\limits^ \to = 0$$
D
$$\nabla \, \times \,\mathop H\limits^ \to = J$$
4
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
The incoming solar radiation at a place on the surface of the earth is 1.2 KW/m2.The amplitude of the electric field corresponding to this incident power is nearly equal to
A
80 mV/m
B
2.5 V/m
C
30 V/m
D
950 V/m
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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
Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks Miscellaneous
Control Systems
Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis
Digital Circuits
Logic Gates Boolean Algebra Analog to Digital and Digital to Analog Converters Sequential Circuits Combinational Circuits Logic Families Number System and Code Convertions Semiconductor Memories
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
Electronic Devices and VLSI
Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET
Analog Circuits
Bipolar Junction Transistor FET and MOSFET Oscillators Operational Amplifier 555 Timer Frequency Response Diodes Feedback Amplifier Power Amplifier
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory
Microprocessors
Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
Communications
Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
Electromagnetics
Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves
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