when using the right - hand rule to determine the direction of the magnetic field around a current…

when using the right - hand rule to determine the direction of the magnetic field around a current - carrying straight wire, which part of the right hand points in the direction of the magnetic field?\no palm\no fingers\no back\no thumb
Answer
Brief Explanations:
The right - hand rule for a current - carrying straight wire states that if you point your thumb in the direction of the current, your fingers will curl in the direction of the magnetic field.
Answer:
B. fingers