SSC JE Electrical 2019 with solution SET-1 Which of the following lamps employs a bimetallic strip? Incandescent lamp Fluorescent lamp Mercury vapor lamp Sodium vapor lamp Incandescent lamp Fluorescent lamp Mercury vapor lamp Sodium vapor lamp ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Identify the INCORRECT statement with regards to synchronous motors The field winding is placed on the rotor The armature winding is placed on the stator It is a self-starting machine It is a constant speed motor The field winding is placed on the rotor The armature winding is placed on the stator It is a self-starting machine It is a constant speed motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A synchronous motor is not a self-starting motor. You can check out this article why synchronous motor is not self starting
SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is Greater than the induced EMF, with negative voltage regulation Less than the induced EMF, with positive voltage regulation Less than the induced EMF, with negative regulation Equal to the induced EMF, with zero voltage regulation Greater than the induced EMF, with negative voltage regulation Less than the induced EMF, with positive voltage regulation Less than the induced EMF, with negative regulation Equal to the induced EMF, with zero voltage regulation ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 At f = _____R – L – C series circuit operates at unity power factor 1 ⁄ LC 1/2π√LC 1/RC 1 ⁄ RLC 1 ⁄ LC 1/2π√LC 1/RC 1 ⁄ RLC ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 An electric motor in which both the rotor and stator fields rotate with the same speed is called Induction motor DC motor Universal motor Synchronous motor Induction motor DC motor Universal motor Synchronous motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In the synchronous motor, the stator and rotor rotate at the same speed.
SSC JE Electrical 2019 with solution SET-1 ________ is used to manufacture stay wire, earth wire, and structural components Nichrome Galvanized steel Hard drawn copper Cadmium copper Nichrome Galvanized steel Hard drawn copper Cadmium copper ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Galvanized steel conductors do not corrode, and possess high resistance. Hence such Wires are used in telecommunications circuits, earth wires, guard wire, stray wire, etc.
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