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Solder material is an alloy having composition of :

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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

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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 directly proportional to α and inversely proportional to Φ

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