The magnetic flux linked with a coil is changed from 1 Wb to 0.1 Wb in 0.1 second. The induced emf is
0.09V
9.0V
0.9V
0.009V
= -(0.1-1)/0.1=0.9/0.1=9.0V
Whenever the magnetic flux () linked with a coil changes the emf is induced in the circuit, This emf lasts