Compared to the magnetic field strength at the outer surface, the magnetic field strength,at the centre of a hollow, nonmagnetic conductor carrying DC current is:

Need more information to determine

Compared to the magnetic field strength at the outer surface, the magn

1.	Compared to the magnetic field strength at the outer surface, the magnetic field strength,at the centre of a hollow, nonmagnetic conductor carrying DC current is:
A.	I/D
B.	The same
C.	Zero
D.	Need more information to determine
Answer» D. Need more information to determine