Electrical Machines Alternator operates on the principle of electromagnetic induction. self or mutual induction. self induction. mutual induction. electromagnetic induction. self or mutual induction. self induction. mutual induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Ward-Leonard control. Armature control. Field control. Multiple voltage control. Ward-Leonard control. Armature control. Field control. Multiple voltage control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is crossmagnetising. none of above. magnetising. demagnetising. crossmagnetising. none of above. magnetising. demagnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with high frequency supply rated transformer voltage direct current rated transformer current high frequency supply rated transformer voltage direct current rated transformer current ANSWER DOWNLOAD EXAMIANS APP
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