Electrical Diploma je Question
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Wattmeter ko hamesha kahan lagate Hain ?
a) seres
b) parallel
c) both
d) side
CRO me RMS value ki mode pe prapt karte hai ?
A) Y-t mode
B)XY mode
C)both
D) none of them
CRO ke upar kaun si lep lagi hoti hai kis material ki
A) phosphorus
B) zinc
C) lead
D) calcium carbonate
Three phase power factor meter mein potential coil ke bich kitne ka angle hota hai.?
a)90°
b)45°
c)180°
d)120°
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Q. A water boiler at a home is switched to the AC mains supply power. The frequency of instantaneous power consumed by the boiler is
