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Electromagnetic Fields
Time Varying Fields
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Electrostatics
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Magnetostatics
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1
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
An electromagnetic field is radiated from
A
a stationary point charge
B
a capacitor with a DC voltage
C
a conductor carrying a DC current
D
an oscillating dipole
2
GATE EE 1998
MCQ (Single Correct Answer)
+1
-0.3
The laws of electromagnetic induction (Faraday's and Lenz's law) are summarized in the following equation
A
$$e = iR$$
B
$$e = L{{di} \over {dt}}$$
C
$$e = - {{d\psi } \over {dt}}$$
D
none of these
3
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
A monochromatic plane electromagnetic wave travels in vacuum in the position $$x$$ direction ($$x, y, z$$ system of coordinates). The electric and magnetic fields can be expressed as
A
$$\eqalign{ & \mathop E\limits^ \to \left( {x,t} \right) = {E_0}\cos \left( {kx - \omega t} \right)\,\,{\widehat a_y} \cr & \mathop H\limits^ \to \left( {x,t} \right) = {H_0}\cos \left( {kx - \omega t} \right){\widehat a_z} \cr} $$
B
$$\eqalign{ & \mathop E\limits^ \to \left( {x,t} \right) = {E_0}\cos \left( {kx - \omega t} \right)\,\,{\widehat a_y} \cr & \mathop H\limits^ \to \left( {x,t} \right) = {H_0}\cos \left( {kx - \omega t - {\pi \over 2}} \right){\widehat a_z} \cr} $$
C
$$\eqalign{ & \mathop E\limits^ \to \left( {x,t} \right) = {E_0}\cos \left( {kx - \omega t} \right)\,\,{\widehat a_y} \cr & \mathop H\limits^ \to \left( {x,t} \right) = - {H_0}\cos \left( {kx - \omega t} \right){\widehat a_z} \cr} $$
D
$$\eqalign{ & \mathop E\limits^ \to \left( {x,t} \right) = {E_0}\cos \left( {kx - \omega t} \right)\,\,{\widehat a_y} \cr & \mathop H\limits^ \to \left( {x,t} \right) = - {H_0}\cos \left( {kx - \omega t - {\pi \over 2}} \right){\widehat a_z} \cr} $$
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Questions Asked from Marks 1
GATE EE 2016 Set 1 (1) GATE EE 2015 Set 1 (1) GATE EE 2015 Set 2 (1) GATE EE 2006 (1) GATE EE 1999 (1) GATE EE 1998 (1) GATE EE 1995 (1)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement