A potentiometer wire 10 m long has a resistance of 40 Q It

Last updated: 6/26/2023

A potentiometer wire 10 m long has a resistance of 40 Q It is connected in series with a resistance box and a 2 V storage cell If the potential gradient along the wire is 0 1 mV cm then resistance unpluggen in the box is A B C 260 Q 760 Q 960 Q