SSC JE Electrical 2019 with solution SET-1 With the current direction marked in the circuit shown, the net voltage applied is (V2 − V1) −(V2 − V1) V2 V1 (V2 − V1) −(V2 − V1) V2 V1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Net voltage = −V2 + V1Net voltage = −(V2 − V1)
SSC JE Electrical 2019 with solution SET-1 Identify the INCORRECT statement with regards to synchronous motors It is a constant speed motor It is a self-starting machine The armature winding is placed on the stator The field winding is placed on the rotor It is a constant speed motor It is a self-starting machine The armature winding is placed on the stator The field winding is placed on the rotor 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 Which of the following is the function of the moderator in a nuclear reactor? To slow down the fast-moving electron Stopping chain reaction Starting chain reaction Controlling chain reaction To slow down the fast-moving electron Stopping chain reaction Starting chain reaction Controlling chain reaction ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 The Thevenin’s resistance as seen through the terminals A and B is: 4 Ω 8 Ω 5 Ω 6 Ω 4 Ω 8 Ω 5 Ω 6 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 lags current by 30° Voltage and current are in phase with each other Voltage leads current by 45° Voltage lags current by 45° Voltage lags current by 30° Voltage and current are in phase with each other Voltage leads current by 45° 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 Synchronous generator Synchronous motor Induction generator Induction motor Synchronous generator Synchronous motor Induction generator Induction motor ANSWER DOWNLOAD EXAMIANS APP
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