At a Certain Instant, Coil a Is in a 10-T

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.