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 sR2 = X2. R2 = s2X2. R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. R2 = s2X2. R2 = sX2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the series field in parallel with the shunt field in series with the shunt field in series with the series field in parallel with the series field in parallel with the shunt field in series with the shunt field in series with the series field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a transformer has turns ratio K, the primary and secondary current are I1 and I2 respectively and magnetizing current and core loss component of no load current Iμ and Iw respectively, then I1 = KI2 + Iμ. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iw. I1 = KI2. I1 = KI2 + Iμ. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iw. I1 = KI2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 4 6 1 2 4 6 1 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. synchronous speed. core loss component. rotor speed. shaft torque. synchronous speed. core loss component. rotor speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 2. 8. 4. 1. 2. 8. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
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