GATE EE 2006 | Magnetostatics Question 13 | Electromagnetic Fields

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GATE EE 2006

MCQ (Single Correct Answer)

-0.3

Which of the following statements holds for the divergence of electric and magnetic flux densities?

Both are zero

These are zero for static densities but non zero for time varying densities

It is zero for the electric flux density

It is zero for the magnetic flux density

GATE EE 2004

MCQ (Single Correct Answer)

-0.3

The inductance of a long solenoid of length $$1000$$ $$mm$$ wound uniformly with $$3000$$ turns on a cylindrical paper tube of $$60$$ $$mm$$ diameter is

$$3.2\,\,\mu H$$

$$3.2\,\,mH$$

$$32.0\,\,mH$$

$$3.2\,\,H$$

GATE EE 2003

MCQ (Single Correct Answer)

-0.3

Two conductors are carrying forward and return current of $$ + {\rm I}$$ and $$ - {\rm I}$$ as shown in Fig.

The magnetic field intensity $$\overrightarrow H $$ at point $$P$$ is

$${{\rm I} \over {\pi d}}{\overrightarrow a _y}$$

$${{\rm I} \over {\pi d}}{\overrightarrow a _x}$$

$${{\rm I} \over {2\pi d}}{\overrightarrow a _y}$$

$${{\rm I} \over {2\pi d}}{\overrightarrow a _x}$$

GATE EE 2000

MCQ (Single Correct Answer)

-0.3

An electron with velocity $$'u'$$ is placed in an electric field, $$E$$ and magnetic field, $$B.$$ The force experienced by the electron is given by

$$ - eE$$

$$ - eu \times B$$

$$ - e\left( {u \times E + B} \right)$$

$$ - e\left( {E + u \times B} \right)$$

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GATE EE Subjects

Electric Circuits

Three Phase Circuits Transient Response Graph Theory Two Port Networks Sinusoidal Steady State Analysis Network Elements Network Theorems

Electromagnetic Fields

Time Varying Fields Electrostatics Magnetostatics

Signals and Systems

Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous

Electrical Machines

Induction Machines D.C Machines Synchronous Machines Transformers

Engineering Mathematics

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

General Aptitude

Verbal Ability Numerical Ability

Power System Analysis

Per Unit System Power Generation Cost Power System Stability Symmetrical Components and Symmetrical and Unsymmetrical Faults Circuit Breaker Switch Gear and Protection Load Flow Studies High Voltage Dc Transmission Generating Power Station Parameters and Performance of Transmission Lines

Electrical and Electronics Measurement

Error Analysis and Measurement Basic of Indicating Instruments Potentiometer and Instrument Transformers Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Cathode Ray Oscilloscope

Analog Electronics

Diode Circuits and Applications Bjt and Mosfet Biasing Small Signal Modeling Feedback Amplifiers and Oscillator Circuits Operational Amplifier Frequency Response 555 Timer

Control Systems

Time Response Analysis Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Root Locus Techniques Basics of Control System Routh Hurwitz Stability Controller and Compensator

Power Electronics

Choppers and Commutation Techniques Ac Voltage Controllers Single and Three Phase Rectifier Power Semiconductor Devices Inverters

Digital Electronics

Boolean Algebra Logic Gates Combinational Circuits Minimization Logic Families and Memories Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor