1
GATE ECE 2003
+1
-0.3
The unit of $$\nabla\times\mathrm H$$ is
A
Ampere
B
Ampere/meter
C
Ampere/meter2
D
Ampere - meter
2
GATE ECE 1999
+1
-0.3
An electric field on a plane is described by its potential V = $$20\left(r^{-1}\;+\;r^{-2}\right)$$ where r is the distance from the source. The field is due to
A
a monopole
B
a dipole
C
both a monopole and a dipole
D
3
GATE ECE 1999
+1
-0.3
Identify which one of the following will NOT satisfy the wave equation.
A
$$50{e^{j\left( {\omega t - 3z} \right)}}$$
B
$$\sin \left[ {\omega \left( {10z + 5t} \right)} \right]$$
C
$$\cos \left( {{y^2} + 5t} \right)$$
D
$$\sin \left( x \right).\cos \left( t \right)$$
4
GATE ECE 1998
+1
-0.3
A loop is rotating about the y-axis in a magnetic field $$\overrightarrow B\;=\;B_0\cos\left(\mathrm{ωt}\;+\;\mathrm\phi\;\right)\;{\overrightarrow a}_x\;\mathrm T .$$\$ The voltage in the loop is
A
zero
B
due to rotation only
C
due to transformer action only
D
due to both rotation and transformer action
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Communications
Electromagnetics
General Aptitude
Engineering Mathematics
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