This shows how to prove that the tangent vector field is parallel if and only if the derivative is orthogonal to the tangent space, and how to prove the velocity field is a parallel vector field.

Two very large parallel sheets are 5.00 cm apart. ... Direction of vector E2 is as shown by blue arrows (towards the ... of E1 and E2 as the two vectors oppose between ...

... the current flow and B is the magnetic field vector. ... where θ is the angle between vectors B and ... regarding magnetic force on rod on parallel conducting tracks. ...

... 1, we see that when the currents are anti-parallel, the directions of the two magnetic fields are the same, so the magnetic field is (a vector pointing out of ...

... Here and are unit vectors in x and y directions ... the cylinder.The axis of the hole is parallel to the ... current density vectorJ=J subscript z *vector e subscript ...

... is the angle between length vector l and ... electromagnet, magnetic forces, positive ion, parallel wire and ... cross product of velocity and magnetic field vectors]. ...

... along the current, forefinger along the field, parallel to y ... the thumb is pointing the direction parallel to the ... force can be written as a vector in component ...

... we determine the direction of B vector due to ... with zero resultant (set of two vectors being equal ... Force per unit length between two parallel current carrying ...

... Since both of this vectors are on the xy plane, the cross ... and r is pointing to south west, the vector product of ...Parallel wires carrying current are examined. ...

... the current in is parallel and anti-parallel to the ... rotating with angular velocity w. The area vector (normal to ... of turns, B is the magnetic field strength, A ...

... For any parallel circuit having two resistors of R1 and R2 with current I1 and I2 ... Magnetic field is a vector field generated by a magnet at the points around it ...