Question
A galvanometer with a resistance of $50 \, \Omega$ gives a full-scale deflection for a current of $5 \times 10^{-4}$ A. The resistance that should be connected in series with the galvanometer to read 3 V is
A galvanometer with a resistance of $50 \, \Omega$ gives a full-scale deflection for a current of $5 \times 10^{-4}$ A. The resistance that should be connected in series with the galvanometer to read 3 V is