laesmith3821 laesmith3821
  • 11-03-2024
  • Physics
contestada

A galvanometer has coil of resistance 100 ohm and gives a full scale deflection for 30 mA current. If it is to work as a voltmeter of 30 volt range, the resistance required to be added will be :
a. 1000Ω
b. 500Ω
c. 900Ω
d. 1800Ω

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