the null point on it is found to be a 1000cm. The resistance of whole wire is :

Sahay Sir > Question Answers > the null point on it is found to be a 1000cm. The resistance of whole wire is :
The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA. For a cell of emf 5V and internal resistance of 20 Ω, the null point on it is found to be a 1000cm. The resistance of whole wire is :
23
Sep
The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA. For a cell of emf 5V and internal resistance of 20 Ω, the null point on it is found to be a 1000cm. The resistance of whole wire is : The length of a potentiometer wire is 1200 [...]
Posted in: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
Tags: The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA. For a cell of emf 5V and internal resistance of 20 Ω , the null point on it is found to be a 1000cm. The resistance of whole wire is : ,