A very long magneti is placed vertically with one pole on the table. A neutral
Channel: Doubtnut
Date: 2020-05-17

A very long magneti is placed vertically with one pole on the table. A neutral point was found at 20 cm from the pole. What is the pole strength if the vertical component of earth's field is `0.4xx10^(-4)Wb//m^(2)`?