A student is investigating how the magnetic flux through a coil varies with its angle,
in radians, to a magnetic field.
Which of the following gives the equivalent angle in radians for an angle of 40°?
The only correct answer is B
A is not correct as this is the fraction of 360° multiplied by π only.
C is not correct as this is an incorrect arrangement of the correct numbers.
D is not correct as this is an incorrect arrangement of the numbers in part A.