SSC JE Electrical 2019 with solution SET-2 Which of the following is NOT an expression to find self-inductance? N2μoμrA/I Nφ Nφ/I N2/S N2μoμrA/I Nφ Nφ/I N2/S ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-2 In a 4 pole. 20 kW, 200 V wave wound DC shunt generator, the current in each parallel path will be 25 A 50 A 100 A 10 A 25 A 50 A 100 A 10 A ANSWER EXPLANATION DOWNLOAD EXAMIANS APP GivenPower (P) = 20 kW = 20 × 103 WVoltage (V) = 200 VP = VI = I = P/VI = (20 × 103)/200I = 100AFor wave wound No. of Parallel Path = 2Current in Each parallel Path for wave woundI = 100/2 = 50 A
SSC JE Electrical 2019 with solution SET-2 In electric traction, the specific energy consumption is measured in Ton-km watt-hour Watt-hour/ ton-km RPM/watt-hour Watt-hour/RPM Ton-km watt-hour Watt-hour/ ton-km RPM/watt-hour Watt-hour/RPM ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-2 If a zero-centered voltmeter has a scale from 5V to − 5V, then the span of it is 10V 5 V −5 V 0 V 10V 5 V −5 V 0 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage Scale Span of instrument = Vmax − VminGivenVmax = 5 VVmin = −5VSpan = 5 −(−5) = 10 V
SSC JE Electrical 2019 with solution SET-2 The candle power of a lamp placed normal to a working plane is 60 CP. Find the distance if the illumination is 15 lux? 1.5 meters 4 meters 2.5 meters 2 meters 1.5 meters 4 meters 2.5 meters 2 meters ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Candle Power of lamp = 60 CPIllumination of lamp = 15 luxDistance(D) = ? metersIllumination of lamp = (candle power)/(distance)2(D)2 = candle power/Illumination of lamp(D)2 = 60/15 =4D = √4D = 2
SSC JE Electrical 2019 with solution SET-2 The function of compensation winding in AC series motor is to Improve commutation Reduced the armature resistance Increase field flux Reduce the effects of armature reaction Improve commutation Reduced the armature resistance Increase field flux Reduce the effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
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