The force acting on long current carrying wire in a magnetic field is affected by all of the following EXCEPT ( )

A、thelengthofstrengthofthemagneticfield.
B、anglebetweenthewireandthedirectionofthemagneticfield.
C、thevoltageacrossthewire.
D、thecurrentinthewire.
E、thedirectionofcurrentflow.