A galvanometer having a coil resistance ...

A galvanometer having a coil resistance of `60 Omega` shows full scale defection when a current of `1.0 A` passes thoguth it. It can vbe convered into an ammeter to read currents up to `5.0 A` by

putting in pa rallel a resistance of `15Omega`

putting in parallel a resistance of `240Omega`

putting in s eries a resistance of `15Omega`

putting in series a resistance of `240Omega`

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The correct Answer is:

`4R=60xx1rArrR=15Omega`

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