SSC JE Electrical 2019 with solution SET-1 A single-phase circuit’s power factor can be measured with a/an 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 Wattmeter alone ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Relate ‘Reluctance with the following: Weber/m A-T/Weber Weber/A A/m Weber/m A-T/Weber Weber/A A/m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The reluctance of any part of a magnetic circuit may be defined as the ratio of the drop in magnetomotive force to the flux produced in that part of the circuit. It is measured in ampere-turns/Weber and is denoted by S.Reluctance = m.m.f ⁄ flux
SSC JE Electrical 2019 with solution SET-1 The Thevenin’s resistance as seen through the terminals A and B is: 6 Ω 8 Ω 4 Ω 5 Ω 6 Ω 8 Ω 4 Ω 5 Ω ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is: Voltage leads current by 45° Voltage lags current by 30° Voltage and current are in phase with each other Voltage lags current by 45° Voltage leads current by 45° Voltage lags current by 30° Voltage and current are in phase with each other Voltage lags current by 45° ANSWER EXPLANATION DOWNLOAD EXAMIANS APP L0ad impedance Z = R + jXz = 10 + 10jPhase angle θ= tan−1(IL/IR)θ= tan−1(10/10)tanθ = 1tanθ =45°
SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an Induction generator Synchronous generator Induction motor Synchronous motor Induction generator Synchronous generator Induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 The direction of the arrow represents the direction of when the diode is forward biased P-type material P-N Junction N-type material Conventional current flow P-type material P-N Junction N-type material Conventional current flow ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The direction of the arrow represents the direction of the conventional current flow when the diode is forward biased.