Week12 Force generated by magnetic field, Part 1

What is the interval of dl integration for straight section of the loop?

• -r to r

• 0 to 2r

• r to -r

• 0 to r

What coordinate system is suitable for defining the dl of the curve section of the loop

• Cartesian Coordinate System

• Cylindrical Coordinate System

• Spherical Coordinate System

• Rectangular Coordinate System

What mistake do i make in the video?

• Wrong current direction

• Wrong magnetic flux density direction

• Wrong doing the cross product between vector

• Wrong using calculator

if i change the shape of the loop to be circle, what would be the total force acting on it?

• 45

• 100

• 0

• 42.3