Question

In a physics laboratory experiment, a coil with 250 turns enclosing an area of 11.1 cm2 is rotated in a time interval of 3.50×10−2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the lab location is 5.1×10−5 T . Part A What is the total magnetic flux through the coil before it is rotated?

Answer 1

Step-by-step explanation:

Magnetic flux through a coil

Φ = n B A

where n is no of turns , B is perpendicular magnetic field and A is area

substituting the values

Φ = 250 x 5.1 x 10⁻⁵ x 11.1 x 10⁻⁴

= 14152.5 x 10⁻⁹ Weber.