6. A galvanometer of resistance \( 20 \Omega \) gives a deflection of one division when a potential difference of \( 4 mV \) is applied across its terminals. Calculate the resistance of the shunt if the current of \( 10 A \) is to be measured by it. The galvanometer has 25 divisions.
(Ans. \( 0.01 \Omega \) )
