Electromagnetic field question

[helloabhihere]

Homework Statement

How would you find the magnetic field B inside the large field coil after you measured the induced emf on a test coil?

Homework Equations

i am not sure.

The Attempt at a Solution

i need some help in how to start this as i have 0 clue

 

[berkeman]

Homework Statement

How would you find the magnetic field B inside the large field coil after you measured the induced emf on a test coil?

Homework Equations

i am not sure.

The Attempt at a Solution

i need some help in how to start this as i have 0 clue

I'm presuming that they are talking about an AC B-field.

What is the equation for the EMF induced in a coil immersed in an AC magnetic field?