a galvanometer ,having resistance of 50 ohm gives a full scale deflection for a current of 0.05A the length of a resistance wire of area of cross section 2.97* 10^(-2)(cm^2) that can be used to convert the galvanometer into an ammeter which can read a max. of 5 A current is (specific resistance of the wire =5*10^(-7) ohm m)

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Q. A galvanometer having a coil resistance of 100

Ω

gives a full scale deflection when a current of

1 m A

is passed through it. The value of the resistance which can convert this galvanometer into an ammeter giving a full scale deflection for a current of

10 A

, is

Q. A moving coil galvanometer of resistance

100

ohm gives a full scale deflection of

50

divisions for a current of

20

ampere. How will you convert it into an ammeter to read

1

ampere for

100

divisions?

A galvanometer having a coil resistance of 100 $Ω$ gives a full scale deflection, when a current of 1 mA is passed through it. The value of resistance, which can convert this galvanometer into ammeter giving a full scale deflection for a current of 10 A, is:

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