Conversion of Galvanometer to Ammeter

A

G

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Proceed

Figure of merit(k) =

0.000662252

Ig =

nk

S =

Ig(G) / (I - Ig)

=

 Ω  

  

Density of the material(ρ) =

1.06e-7

Length of the wire(l) =

(πr2/ρ)*S

=

 m  

  • Ammeter range(I):



    Galvanometer resistance(G):



    Galvanometer range(n):



    Cell voltage: 2V

    Select material:



    Radius of the wire(r): 0.1mm




    Rheostat resistance: 1Ω

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