In the Krebs cycle (also known as the citric acid cycle or TCA cycle), the electron carrier molecules produced are:
- NADH
- FADH2
So the correct answers from your list are NADH and FADH2.
NADPH is primarily involved in anabolic reactions and is produced in pathways like the pentose phosphate pathway, not in the Krebs cycle. ATP is produced in the Krebs cycle, but it is not an electron carrier like NADH and FADH2. PADH seems to be a typo of NADH.