Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. lie under north pole. lie under south pole. there is no hard and fast rule for this. lie in the inter polar gaps. lie under north pole. lie under south pole. there is no hard and fast rule for this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage supply voltage, frequency and load supply voltage and load supply voltage and frequency supply voltage supply voltage, frequency and load supply voltage and load supply voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will aprroach infinity. approach zero. remain unchanged. between zero and infinity. aprroach infinity. approach zero. remain unchanged. between zero and infinity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to high filed circuit resistance. all of these. zero or very low voltage supply. over load. high filed circuit resistance. all of these. zero or very low voltage supply. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. decrease. be unpredictable. increase remain the same. decrease. be unpredictable. increase remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon maximum flux density supply frequency load current both 2 and 3 maximum flux density supply frequency load current both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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