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Standard XII
Physics
Properties of Field Lines
ntA milli vol...
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ntA milli voltmeter of 25mV is to be converted to an ammeter of range 25A.The value of shunt is .Explain in detail?n
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Q.
A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be
Q.
To convert a
800
m
V
rang milli-volmeter of resistance
40
Ω
into a milli ammeter of
100
m
A
range, the resistance to be connected as shunt is,
Q.
A voltmeter of range
3
V
and resistance
200
Ω
cannot be converted to an ammeter of range
Q.
A moving coil galvanometer allows a full scale current of
10
−
4
A
. A series resistance of
2
M
Ω
is required to convert the above galvanometer into a voltmeter of range
0
−
5
V
. therefore the value of shunt resistance required to convert the above galvanometer into an ammeter of range
0
−
10
m
A
is:
Q.
Explain how can a moving coil galvanometer be converted
(i) an ammeter
(ii) a voltmeter of given ranges
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