GATE ECE 1998 | Uniform Plane Waves Question 50 | Electromagnetics

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GATE ECE 1998

MCQ (Single Correct Answer)

-0.3

The intrinsic impedance of copper at high frequencies is

purely resistive.

purely inductive.

complex with a capacitive component.

complex with an inductive component.

GATE ECE 1998

MCQ (Single Correct Answer)

-0.3

The polarization of a wave with electric field vector $$\overrightarrow E = {E_0}\,{e^{j\left( {\omega t - \beta z} \right)}}\left( {\overrightarrow {{a_x}} + \overrightarrow {{a_y}} } \right)$$ is

linear

elliptical

left hand circular

right hand circular

GATE ECE 1995

MCQ (Single Correct Answer)

-0.3

The intrinsic impedance of a lossy dielectric medium is given by

$${{j\omega \mu } \over \sigma }$$

$${{j\omega \in } \over \mu }$$

$$\sqrt {{{j\omega \mu } \over {\sigma + j\omega \in }}} $$

$$\sqrt {{\mu \over \in }} $$

GATE ECE 1995

MCQ (Single Correct Answer)

-0.3

Copper behaves as a

conductor always.

conductor or dielectric depending on the applied electric field strength.

conductor or dielectric depending on the frequency.

conductor or dielectric depending on the electric current density.

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GATE ECE Subjects

Network Theory

State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs 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

Electronic Devices and VLSI

Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET

Analog Circuits

Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer

Digital Circuits

Number System and Code Convertions Boolean Algebra Logic Gates Combinational Circuits Sequential Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters

Microprocessors

Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085

Signals and Systems

Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous

Communications

Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise

Electromagnetics

Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability

Engineering Mathematics

Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Numerical Methods Transform Theory