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TS EAMCET 2015 Solved Paper
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© examsnet.com
Question : 84
Total: 160
A voltmeter of 250 mV range having a resistance of 10Ω is converted into an ammeter of 250 mA range. The value of necessary shunt is (nearly)
2Ω
0.1Ω
1Ω
10Ω
Validate
Solution:
S
=
G
n
−
1
n
=
i
i
g
;
[
i
g
=
g
=
V
g
G
=
250
m
V
10
=
25
m
A
]
=
250
m
A
25
m
A
=
10
∴
S
=
10
9
=
1.1
Ω
© examsnet.com
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