SSC JE Electrical 2019 with solution SET-1 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor 200 V 215 V 190 V 210 V 200 V 215 V 190 V 210 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given DataVoltage Va = 200 vArmature Resistance Ra = 0.5ΩArmature Current Ia = 20 AInduced EMF = Ea = ?The Induced EMF of a DC machine working as a Motor isEa = Va − IaRaEa = 200 − 20 × 0.5Ea = 190 V
SSC JE Electrical 2019 with solution SET-1 A single-phase circuit’s power factor can be measured with a/an Wattmeter alone Combination of a voltmeter and ammeter Energy meter alone Combination of a voltmeter, ammeter, and wattmeter Wattmeter alone Combination of a voltmeter and ammeter Energy meter alone Combination of a voltmeter, ammeter, and wattmeter ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 _____ power plant is the plant which uses a non-conventional source of energy Nuclear Wind Thermal Hydroelectric Nuclear Wind Thermal Hydroelectric 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 ⁄ RLC 1/RC 1 ⁄ LC 1/2π√LC 1 ⁄ RLC 1/RC 1 ⁄ LC 1/2π√LC ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses? Hysteresis loss and copper loss Eddy current loss and hysteresis loss Eddy current loss and frictional loss Hysteresis loss and frictional loss Hysteresis loss and copper loss Eddy current loss and hysteresis loss Eddy current loss and frictional loss Hysteresis loss and frictional loss ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Which of the following lamps employs a bimetallic strip? Sodium vapor lamp Fluorescent lamp Mercury vapor lamp Incandescent lamp Sodium vapor lamp Fluorescent lamp Mercury vapor lamp Incandescent lamp ANSWER DOWNLOAD EXAMIANS APP
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