SSC JE Electrical 2019 with solution SET-1 Which of the following lamps employs a bimetallic strip? Incandescent lamp Sodium vapor lamp Fluorescent lamp Mercury vapor lamp Incandescent lamp Sodium vapor lamp Fluorescent lamp Mercury vapor lamp ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Identify the INCORRECT statement with regards to synchronous motors The field winding is placed on the rotor The armature winding is placed on the stator It is a constant speed motor It is a self-starting machine The field winding is placed on the rotor The armature winding is placed on the stator It is a constant speed motor It is a self-starting machine 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 ______ Opposes the change in circuit voltage Inductance Capacitance Resistance Inductive reactance Inductance Capacitance Resistance Inductive reactance ANSWER DOWNLOAD EXAMIANS APP
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 1.66 A 1.33 A 0 A 0.66 A 1.66 A 1.33 A 0 A ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor Low starting torque Medium starting torque Zero starting torque High starting torque Low starting torque Medium starting torque Zero starting torque High 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 An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is? 29 ohm 115 ohm 11.5 ohm 290 ohm 29 ohm 115 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
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