Q: In a symmetrical three-phase system, if the instantaneous values of phase R and Y are – 120 V and – 60V, respectively, then what is the instantaneous voltage of B phase? एक सममित 3- फेज प्रणाली में, यदि फेज R और Y के तात्कालिक मान क्रमश: –120V और –60V हैं, तो B फेज की तात्कालिक वोल्टता कितनी होगी?
A.
180 V
B.
60 V
C.
– 60 V
D.
– 180 V
Correct Answer:
Option A -
Explanations:
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