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A moving coil galvanometer is converted into an ammeter, reading up to 0.04 ~A by connecting a shunt of resistance ' 3 r ' across it and then into an ammeter reading up to 0.8 ~A , when a shunt of resistance ' r ' is connected across it. What is the maximum current which can be sent through this galvanometer if no shunt is used?

Options

  1. A0.02 ~A
  2. B0.04 ~A
  3. C0.08 ~A
  4. D0.01 ~A

Correct answer

A. 0.02 ~A

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