Electrical Machines An inverted V curve of synchronous motor shows variation of supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. power factor and supply voltage during hunting. power factor and DC excitation at constant load. supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. power factor and supply voltage during hunting. power factor and DC excitation at constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 250 A. 460 A. 340 A. 570 A. 250 A. 460 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on voltage reactance load angle both 1and 2 voltage reactance load angle both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 13.5 A. 11.5 A. 27 A. 23 A. 13.5 A. 11.5 A. 27 A. 23 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. two. six. four. three. two. six. four. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? field weakening method same in both methods None of these armature resistance control field weakening method same in both methods None of these armature resistance control ANSWER DOWNLOAD EXAMIANS APP
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