Answer:
B, B
Step-by-step explanation:
The fill in the blanks would be;
First blank : decreases
Second blank ; clockwise
The above phenomena is in accordance with Lenz law that states that when an electric current passes through a conductor and there is a change in magnetic field, then an opposing force is always produced.
The direction of magnetic field can be obtained through Right Hand Rule.
When the switch is opened, means the flow of current shall stop and hence the magnitude of flux would decrease