DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half Twice None of the listed here One-third Half Twice None of the listed here One-third ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will remain almost/constant The speed will reduce The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will reduce The speed will increase abruptly The speed will increase in proportion to reduction in load ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Self-induced e.m.f. Mutually induced e.m.f. None of these Back e.m.f. Self-induced e.m.f. Mutually induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Coloumb's law Lenz's law Fleming's left hand rule Faraday's law Coloumb's law Lenz's law Fleming's left hand rule Faraday's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The load is increase The field is opened The armature circuit is opened. Load is removed The load is increase The field is opened The armature circuit is opened. Load is removed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Variable speed Frequent on-off cycles High starting torque Low starting torque Variable speed Frequent on-off cycles High starting torque Low starting torque ANSWER DOWNLOAD EXAMIANS APP
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