
Grade 12Electric Current
A potentiometer wire of length 200cm has a resistance of 20 ohm it is connected in series with a resistance of 10 ohm and an accumulator of emf of 6 v having negligible internal resistance a source of 2.4 v is balanced against a length L of the potentiometer wire the value of L is?
A potentiometer wire of length 200cm has a resistance of 20 ohm it is connected in series with a resistance of 10 ohm and an accumulator of emf of 6 v having negligible internal resistance a source of 2.4 v is balanced against a length L of the potentiometer wire the value of L is?





