First slide

Electric field

Question

A metallic sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in the figure as

Moderate

A

1
B

2
C

3
D

4

Solution

Field lines always enter or leave a surface normal to it. The net electric field inside a conductor is always zero. So, if there is no electric field, then there will not be any field lines.

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