Question:
The magnetic field B in figure a and b at the point O is R D
Last updated: 6/7/2023
![The magnetic field B in figure a and b at the point O is R D](https://media.kunduz.com/media/sug-question-candidate/20210326060703748784-3178751.jpg?h=512)
The magnetic field B in figure a and b at the point O is R D R B a A zero in both a and b C only zero in a but not equal to zero in b D none of these b B only zero in b but not equal to zero in a