An ammeter reads up to 1 ampere. Its internal resistance is $0.81 \mathrm{ohm}$. To increase the range to…

An ammeter reads up to 1 ampere. Its internal resistance is $0.81 \mathrm{ohm}$. To increase the range to $10 \mathrm{~A}$ the value of the required shunt is
  1. $0.03 \Omega$
  2. $0.3 \Omega$
  3. $0.9 \Omega$
  4. $0.09 \Omega$

Solution

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Asked in: JEE Main 2003

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