18. Electric field lines provide information about :*
O field strength
O O O
direction
nature of charge
all of these
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Step-by-step explanation:
Electric field lines provide information about -
field strength
direction
nature of charge
The formula will show
E=
4πϵ
0
1
r
3
q
r
^
r
^
= direction of electric field
q= nature of charge
E=qH
H=
4πϵ
0
1
r
3
1
r
^
H=
q
E
E= electric field strength.
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