DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be halved Remain the same Be quadrupled Be doubled Be halved Remain the same Be quadrupled Be doubled ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 10 50 150 100 10 50 150 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that Shunt field circuit has high resistance Terminal voltage drops considerably Generated voltage is small It is expensive Shunt field circuit has high resistance Terminal voltage drops considerably Generated voltage is small It is expensive ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Directly proportional to thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP