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Byju's Answer
Standard XII
Physics
Galvanometer
The maximum c...
Question
The maximum current in a galvanometer can be
10
m
A
Its resistance is
10
Ω
.
To convert it into an ammeter of 1 A, what resistance should be connected in parallel with galvanometer
(
in
10
−
1
Ω
)
?
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Solution
I
G
=
10
m
A
,
R
G
=
10
Ω
R
(
I
−
I
G
)
=
I
G
×
R
G
R
(
1
−
0.001
)
=
0.001
×
10
R
=
0.001
0.999
R
=
0.1
Ω
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