Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. increases. decreases. decreases remains constant. increases. decreases. decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is AC. DC. None of these both of above. AC. DC. None of these both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 30° 60° 10° 45° 30° 60° 10° 45° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4Sp² PZL/4S PZL/ 4Sa PZL/4Sa² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type short - shunt generator. level compound. shunt generator. series generator. short - shunt generator. level compound. shunt generator. series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 240 V 140 V 175 V 120 V 240 V 140 V 175 V 120 V ANSWER DOWNLOAD EXAMIANS APP
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