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This question belongs to Electronics And Communications Engineering Power Electronics

Power Electronics

?

A step-down chopper, fed from a 120 volt DC source, operates a DC motor whose armature e.m.f. and armature resistance are 100 volt and 0.5 Ω respectively. With the magnitude control ratio 0.6, the quadrant of operation DC motor is

A) First B) Second C) Third D) Fourth

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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