Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T∝ V² T ∝ V T ∝ 1/V T ∝ 1/V² T∝ V² T ∝ V T ∝ 1/V T ∝ 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing the field of DC generator means increasing flux density by adding extra turns of winding. neutralising residual magnetism. making the magnetic losses forces parallel. creating residual magnetism by a DC source. increasing flux density by adding extra turns of winding. neutralising residual magnetism. making the magnetic losses forces parallel. creating residual magnetism by a DC source. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying all of these. applied voltage. resistance of armature culture. its flux oer pole. all of these. applied voltage. resistance of armature culture. its flux oer pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 5% 19% 40% 10% 5% 19% 40% 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. percentage impedance. rating. efficiency. leakage reactance. percentage impedance. rating. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to limit the armature current. vary the armature resistance. control field current. none of above. limit the armature current. vary the armature resistance. control field current. none of above. ANSWER DOWNLOAD EXAMIANS APP
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