16. predict extrinsic semiconductivity for v205 and coo a. p-type and n-type b. p-type and p-type c.n-type and p-type d. n-type and n-type can someone explain h

16. Predict extrinsic semiconductivity for V205 and CoO A. p-type and n-type B. p-type and p-type C.n-type and p-type D. n-type and n-type Can someone explain how you determine which groups aren type or p type. What are the rules? the correct anwser should be C but why?