SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is Equal to the induced EMF, with zero voltage regulation Less than the induced EMF, with negative regulation Less than the induced EMF, with positive voltage regulation Greater than the induced EMF, with negative voltage regulation Equal to the induced EMF, with zero voltage regulation Less than the induced EMF, with negative regulation Less than the induced EMF, with positive voltage regulation Greater than the induced EMF, with negative voltage regulation ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 In the circuit shown, if R = 0, then the phase angle between v(t) and i(t) is 30° 90° 0° 60° 30° 90° 0° 60° ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In the given circuit if R = 0 then the circuit becomes purely inductive. So the phase angle between v(t) and i(t) is 90°.
SSC JE Electrical 2019 with solution SET-1 Extension of moving iron ammeter range can be done by using Multiplier Inductor Capacitor Shunt Multiplier Inductor Capacitor Shunt 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 16 H 8 H 4 H 2 H 16 H 8 H 4 H 2 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 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor 215 V 200 V 190 V 210 V 215 V 200 V 190 V 210 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given DataVoltage Va = 200 vArmature Resistance Ra = 0.5ΩArmature Current Ia = 20 AInduced EMF = Ea = ?The Induced EMF of a DC machine working as a Motor isEa = Va − IaRaEa = 200 − 20 × 0.5Ea = 190 V
SSC JE Electrical 2019 with solution SET-1 The cheap and temporary system of the internal wiring is? Casing-capping Cleat wiring Conduit wiring CTS or TRS wiring Casing-capping Cleat wiring Conduit wiring CTS or TRS wiring ANSWER DOWNLOAD EXAMIANS APP
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