Electrical Machines The principle of dynamically induced emf is utilized in transformer. generator. thermocouple. choke. transformer. generator. thermocouple. choke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side both Oc and SC tests are conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K K×R1 K²R1 R1 /K² R1 /K K×R1 K²R1 R1 /K² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting is high as compared to that while running. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. Twisting stains due to transmission of torque. All of these Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. Twisting stains due to transmission of torque. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.5Ω. 0.23Ω. 1Ω. 0.25Ω. 0.5Ω. 0.23Ω. 1Ω. 0.25Ω. ANSWER DOWNLOAD EXAMIANS APP
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