A galvanometer, having a resistance of 50
gives a full scale deflection for a current of 0.05A. The length in meter of a resistance wire of area of cross-section 
that can be used to convert the galvanometer into a ammeter which can read a maximum of 5A current is
(Specific resistance of the wire 
)
a)
9
b)
6
c)
3
d)
1.5
A galvanometer, having a resistance of 50 gives a full scale deflection for a current of 0.05A. The length in meter of a resistance wire of area of cross-section that can be used to convert the galvanometer into a ammeter which can read a maximum of 5A current is
(Specific resistance of the wire )
a)
9
b)
6
c)
3
d)
1.5
Question ID - 151062 | SaraNextGen Top Answer
A galvanometer, having a resistance of 50 gives a full scale deflection for a current of 0.05A. The length in meter of a resistance wire of area of cross-section that can be used to convert the galvanometer into a ammeter which can read a maximum of 5A current is
(Specific resistance of the wire )
a)
9
b)
6
c)
3
d)
1.5
|
A galvanometer, having a resistance of 50 (Specific resistance of the wire |
|||||||
|
a) |
9 |
b) |
6 |
c) |
3 |
d) |
1.5 |
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) Resistance of galvanometer
Full scale current
Required resistance to convert the galvanometer into ammeter.
|
127 votes
Answer Link
127