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In the method of phase control, the phase relationship between ___ & ___ is controlled by varying the firing angle

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In the method of phase control, the phase relationship between ___ & ___ is controlled by varying the firing angle

(a) supply current, supply voltage

(b) end of the load current, end of the load voltage

(c) start of the load current, start of the load voltage

(d) load current, load voltage

I got this question in an interview.

This key question is from Single-Phase HW AC-DC-1 in division Converters of Power Electronics

1 Answer

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by (45.1k points)
Right answer is (c) start of the load current, start of the load voltage

Easiest explanation: By varying the firing angle, the load current and load voltage can be controlled.

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