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Tardigrade
Question
Physics
The electric potential at a space point P (x , y , z) is given as V=x2+y2+z2 . The modulus of the electric field at that point is proportional to
Q. The electric potential at a space point
P
(
x
,
y
,
z
)
is given as
V
=
x
2
+
y
2
+
z
2
. The modulus of the electric field at that point is proportional to
2232
211
NTA Abhyas
NTA Abhyas 2020
Electrostatic Potential and Capacitance
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A
V
2
1
B
V
C
V
2
3
D
V
2
Solution:
E
x
=
−
2
x
,
E
y
=
−
2
and
E
z
=
−
2
z
∣
E
∣
=
E
x
2
+
E
y
2
+
E
z
2
=
4
x
2
+
4
y
2
+
4
z
2
=
2
x
2
+
y
2
+
z
2
=
2
V