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Physics
A conductor having a cavity is given a positive charge. Then field strengths EA,EB and EC at point A (within cavity), at B (within conductor but outside cavity) and C (near conductor) respectively will be:
Q. A conductor having a cavity is given a positive charge. Then field strengths
E
A
,
E
B
and
E
C
at point A (within cavity), at B (within conductor but outside cavity) and C (near conductor) respectively will be:
2873
235
KEAM
KEAM 2004
Report Error
A
E
A
=
0
,
E
B
=
0
,
E
C
=
0
B
E
A
=
0
,
E
B
=
0
,
E
C
=
0
C
E
A
=
0
,
E
B
=
0
,
E
C
=
0
D
E
A
=
0
,
E
B
=
0
,
E
C
=
0
E
none of the above
Solution:
Correct answer is (b)
E
A
=
0
,
E
B
=
0
,
E
C
=
0