SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an Synchronous motor Synchronous generator Induction motor Induction generator Synchronous motor Synchronous generator Induction motor Induction generator ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is? 115 ohm 29 ohm 11.5 ohm 290 ohm 115 ohm 29 ohm 11.5 ohm 290 ohm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP GivenVoltage V = 230 VCurrent I = 2 AResistance R = V/IR = 230/2 = 115 Ω
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
SSC JE Electrical 2019 with solution SET-1 Find the mutual inductance between two ideally coupled coils of 2H and 8H 2 H 16 H 8 H 4 H 2 H 16 H 8 H 4 H ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Mutual inductance between the two coils is K = √L1.L2K = √2 × 8k = √16k = 4 H
SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor High starting torque Medium starting torque Zero starting torque Low starting torque High starting torque Medium starting torque Zero starting torque Low starting torque ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In DC series motor Torque (Ta) increase as the Square of armature current (Ia) Ta ∝ Ia2. So DC motor provides high starting torque.
SSC JE Electrical 2019 with solution SET-1 When the only current source is active in the circuit, find the current through the 10Ω resistor 0.66 A 1.33 A 1.66 A 0 A 0.66 A 1.33 A 1.66 A 0 A ANSWER DOWNLOAD EXAMIANS APP
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