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GATE EE

Magnetostatics

Electromagnetic Fields

Previous Years Questions

Marks 1

More
If the magnetic field intensity ($$\overrightarrow H $$) in a conducting region is given by the expression, $$\overright...
GATE EE 2022
A long conducting cylinder having a radius b is placed along the z-axis. The current density is $$\overrightarrow J = {...
GATE EE 2022
A solid iron cylinder is placed in a region containing a uniform magnetic field such that the cylinder axis is parallel ...
GATE EE 2017 Set 1
The figures show diagrammatic representations of vector fields $$\overrightarrow X,\;\overrightarrow Y,\;and\;\overright...
GATE EE 2017 Set 2
A steady current I is flowing in the −x direction through each of two infinitely long wires at $$y=\pm\frac L2$$ as show...
GATE EE 2015 Set 1
The flux density at a point in space is given by $$\overrightarrow B=\;4x{\widehat a}_x\;+\;2ky{\widehat a}_y\;+\;8{\wid...
GATE EE 2013
Which of the following statements holds for the divergence of electric and magnetic flux densities?
GATE EE 2006
The inductance of a long solenoid of length $$1000$$ $$mm$$ wound uniformly with $$3000$$ turns on a cylindrical paper t...
GATE EE 2004
Two conductors are carrying forward and return current of $$ + {\rm I}$$ and $$ - {\rm I}$$ as shown in Fig. The magnet...
GATE EE 2003
An electron with velocity $$'u'$$ is placed in an electric field, $$E$$ and magnetic field, $$B.$$ The force experienced...
GATE EE 2000
Two parallel wires separated by a distance $$'d'$$ are carrying a current $$'{\rm I}'$$ in the same direction. The magn...
GATE EE 1999
The energy stored in the magnetic field of solenoid $$30$$ $$cm$$ long and $$3$$ $$cm$$ diameter wound with $$1000$$ tur...
GATE EE 1996
Static magnetic fields induce currents in closed conducting loops.
GATE EE 1994
The line integral of the vector potential A around the boundary of a surface S represents
GATE EE 1993

Marks 2

More
The magnitude of magnetic flux density (B) in micro Teslas ( µT ) at the center of a loop of wire wound as a regular hex...
GATE EE 2017 Set 1
The following four vector fields are given in cartesian coordinate system. The vector field which does not satisfy the p...
GATE EE 2014 Set 1
The magnitude of magnetic flux density ($$\overrightarrow B$$) at a point having normal distance d meters from an infini...
GATE EE 2014 Set 2
A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross-sectional area of ...
GATE EE 2008
An inductor designed with $$400$$ turns coil wound on an iron core of $$16\,\,c{m^2}$$ cross sectional area and with a c...
GATE EE 2007
An inductor designed with $$400$$ turns coil wound on an iron core of $$16\,\,c{m^2}$$ cross sectional area and with a c...
GATE EE 2007
The conductors of a $$10$$ $$km$$ long, single phase, two wire line are separated by a distance of $$1.5$$ $$m.$$ The di...
GATE EE 2001

Marks 5

More
The magnetic vector potential in a region is defined by $$\overrightarrow A = {e^{ - y}}\sin \left( x \right){\widehat ...
GATE EE 2002
A current $${\rm I}$$ in the short conducting element shown in Fig. produces a flux density $${B_1}$$ at point $$1.$$ D...
GATE EE 2000
An electron moves in the $$X$$-$$Y$$ plane with a speed of $${10^6}\,\,m/s.$$ Its velocity vector makes an angle of $${6...
GATE EE 1998
A infinitely long straight wire carries $$1000$$ $$A$$ of current and in the vicinity, there is a circular conducting l...
GATE EE 1997

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