1
GATE ECE 2015 Set 2
Numerical
+1
-0
In a source free region in vacuum, if the electrostatic potential $$\varphi\;=\;2x^2\;+y^2+cz^2$$ , the value of constant c must be ________________.
Your input ____
2
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
The divergence of the vector field $$\overrightarrow A\;=\;x{\widehat a}_x\;+\;y{\widehat a}_y\;+\;z{\widehat a}_z$$ is
A
$$0$$
B
1/3
C
1
D
3
3
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3

Consider a closed surface S surrounding volume V. If $$\overrightarrow{\mathrm r}$$ is the position vector of a point inside S, with $$\widehat n$$ the unit normal on S, the value of the integral is

GATE ECE 2011 Electromagnetics - Maxwell Equations Question 37 English
A
3 V
B
5 V
C
10 V
D
15 V
4
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wire is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the origin? GATE ECE 2009 Electromagnetics - Maxwell Equations Question 38 English
A
x, y, z components
B
x, y components
C
y, z components
D
x, z components
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