Answer
a) $clockwise$
b) $clockwise$
c) $anti clockwise$
d) $zero$
Work Step by Step
a) The induced current is clockwise since the induced field points away from us.
b) The induced current is clockwise since the induced field points away from us.
c) The induced current is anti clockwise because the induced field points towards us.
d) The induced current is zero because the magnetic flux does not change. The rate of change of flux is zero.
