According to Maxwell’s right-hand thumb rule, what gives the direction of magnetic field lines around the wire?

Direction of fingers encircling wire

According to Maxwell’s right-hand thumb rule, what gives the directi

1.	According to Maxwell’s right-hand thumb rule, what gives the direction of magnetic field lines around the wire?
A.	Direction of thumb
B.	Direction of fingers encircling wire
C.	Direction opposite to thumb
D.	Direction of index finger
Answer» C. Direction opposite to thumb