A) 4 \[\Omega \]
B) 5\[\Omega \]
C) 3 \[\Omega \]
D) 7\[\Omega \]
Correct Answer: B
Solution :
Here, the current sensitivity is 10 div/mA and there are 100 division on the scale. So, the current required for full scale deflection is \[{{H}_{2}}\left( g \right)={{p}_{2}}-3{{p}_{1}}\] = 0 . 0 1 A Also the voltage sensitivity is 2 div/mV so the voltage required for full scale deflection is \[{{C}_{6}}{{H}_{12}}\left( g \right)={{p}_{1}}\] = 0. 05 V Galvanometer resistance is given by \[={{p}_{2}}-3{{p}_{1}}+{{p}_{1}}=30mm\] \[{{p}_{2}}-2{{p}_{1}}=30mm\]
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