SSC JE Electrical 2019 with solution SET-1 The function of condenser in a Thermal power plant is: Condense used steam into water Condense water Purify water Purify steam Condense used steam into water Condense water Purify water Purify steam ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses? Eddy current loss and hysteresis loss Hysteresis loss and copper loss Hysteresis loss and frictional loss Eddy current loss and frictional loss Eddy current loss and hysteresis loss Hysteresis loss and copper loss Hysteresis loss and frictional loss Eddy current loss and frictional loss ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 A coil is wound with 50 turns and a current 8A produces a flux of 200μWb. Calculate the inductance of the coil 1.25 mH 0.25 mH 0.125 mH 2.5 mH 1.25 mH 0.25 mH 0.125 mH 2.5 mH ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The inductance of the coil is given by the relationL = Nφ/IWhereN = number of turns = 50φ = flux = 200μWbI = current = 8 AL = 50 × 200 × 10−6 ⁄ 8L = 1.25 mH
SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is Equal to the induced EMF, with zero voltage regulation Less than the induced EMF, with positive voltage regulation Less than the induced EMF, with negative regulation Greater than the induced EMF, with negative voltage regulation Equal to the induced EMF, with zero voltage regulation Less than the induced EMF, with positive voltage regulation Less than the induced EMF, with negative regulation Greater than the induced EMF, with negative voltage regulation ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Which of the following lamps employs a bimetallic strip? Incandescent lamp Fluorescent lamp Sodium vapor lamp Mercury vapor lamp Incandescent lamp Fluorescent lamp Sodium vapor lamp Mercury vapor lamp ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Find the net capacitance of the combination in which ten capacitors of 10 μF are connected in parallel 100 μF 50 μF 1 μF 0.1 μF 100 μF 50 μF 1 μF 0.1 μF ANSWER EXPLANATION DOWNLOAD EXAMIANS APP When the capacitance is connected in series the total capacitance is given byCeq = C1 + C2 + C3………CNCeq = 10nCeq =10 × 10 = 100 μF