SSC JE Electrical 2018 with solution SET-1 The maximum speed variation in a synchronous motor is 10% 5% Zero 2% 10% 5% Zero 2% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A synchronous motor is a constant speed motor, therefore, the variation of speed is zero.
SSC JE Electrical 2018 with solution SET-1 If the magnetic susceptibility of any material is less than zero then the material is—— Paramagnetic Ferromagnetic Ferrimagnetic Diamagnetic Paramagnetic Ferromagnetic Ferrimagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2018 with solution SET-1 Determine the current (in A) that flows through a 15 Ohms resistance, when the potential difference between the terminals of the resistors is 60 V 6 2 3 4 6 2 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP GivenResistance R = 15 ohmsPotential Difference V = 60 VCurrent I = ?According to the Ohm’s Law I = V/R = 60/15 = 4AI = 4A
SSC JE Electrical 2018 with solution SET-1 The main drawback of resistance welding is Only similar metals can be welded None of these High initial as well as High maintenance cost Difficult shapes and sections cannot be welded Only similar metals can be welded None of these High initial as well as High maintenance cost Difficult shapes and sections cannot be welded ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2018 with solution SET-1 A resistance of 75 Ohms is connected in the shunt of the galvanometer, having an internal resistance of 25 ohms, to convert it into an ammeter. What is the value of current (in A) flowing through the galvanometer, if the total current in the circuit is 5 A? 3.75 2 3.65 2.5 3.75 2 3.65 2.5 ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2018 with solution SET-1 Determine the value of current (in A) through both the resistors of the given circuit. −2, −1.5 2, 1.5 −2, 1.5 2, −1.5 −2, −1.5 2, 1.5 −2, 1.5 2, −1.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Current through the 10Ω resistanceI1 = V/R = 20/10 = 2AI1 = 2ANow current through the 20Ω resistanceI2 = V − (-10)/R = (20 + 10)/20 = 1.5 AI2 = 1.5 A
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