At a Certain Instant,coil a Is in a 10-T External

Multiple Choice

At a certain instant,coil A is in a 10-T external magnetic field and coil B is in a 1-T external magnetic field.Both coils have the same area and are oriented at right angles to the field.Which coil will have a greater emf induced in it?

A) coil A
B) coil B
C) It is impossible to know without more information about the fields.