If a Calculated Quantity Has Units Of $\frac { \mathrm { N } \cdot \mathrm { s } } { \mathrm { C } \cdot \mathrm { m } }$

If a calculated quantity has units of $\frac { \mathrm { N } \cdot \mathrm { s } } { \mathrm { C } \cdot \mathrm { m } }$ ,that quantity could be

A) an $\vec { E }$ field.
B) an electric potential.
C) μ₀.
D) a $\vec { B }$ field.
E) a magnetic torque.