The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a firing delay angle, α and flux, Φ
(A) directly proportional to α and Φ
(B) inversely proportional to α and Φ
(C) directly proportional to α and inversely proportional to Φ
(D) directly proportional to Φ and inversely proportional to α
(A) directly proportional to α and Φ
(B) inversely proportional to α and Φ
(C) directly proportional to α and inversely proportional to Φ
(D) directly proportional to Φ and inversely proportional to α