Grade 12Electric Current
A potentiometer wire of 10m length and 20 ohm resistance is connented in series with a resistance “R” ohms and a battery of emf 2V , negligeble internal resistance , potential gradient on the wire is 0.16 millivolt/centimetre then “ R” _______ ohms?
A potentiometer wire of 10m length and 20 ohm resistance is connented in series with a resistance “R” ohms and a battery of emf 2V , negligeble internal resistance , potential gradient on the wire is 0.16 millivolt/centimetre then “ R” _______ ohms?
