- (A) zero
- (B) 0.707 lagging
- (C) unity
- (D) 0.707 leading
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- (A) it is filled below core level
- (B) it is filled above core level
- (C) it is fully empty
- (D) none of the above
- (A) T1
- (B) T2
- (C) T3
- (D) T*
- (A) Variation of resistance
- (B) Variation of voltage
- (C) Periodical switching on and off of the supply
- (D) All of the above methods
- (A) to stabilize the arc
- (B) to imprpve, power factor
- (C) to reduce severity of the surge
- (D) none of the above
- (A) induction heating of steel
- (B) dielectric heating
- (C) induction heating of brass
- (D) resistance heating
- (A) bad, good
- (B) bad, bad
- (C) good, bad
- (D) good, good
- (A) induced current flow through the charge
- (B) hysteresis loss taking place below curie temperature
- (C) due to hysteresis loss as well as eddy current loss takingplace in the charge
- (D) none of the above factors
- (A) series
- (B) parallel
- (C) series-parallel connections
- (D) star-delta connections
- (E) all of the above ways
- (A) maximum fault current carrying through the ground wire
- (B) rated current carrying capacity of the service line
- (C) depends on the soil resistance
- (D) both (A) and (C)
