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Q)

An ammeter reads upto $1A$. Its internal resistance is $0.81 \Omega$. To increase the range to $10 \;A$, the value of the required shunt is:


( A ) $0.03 \Omega$
( B ) $0.9 \Omega$
( C ) $0.3 \Omega$
( D ) $0.09 \Omega$

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