2. Maximum value is greater than RMS value by the factor :
3. Apparent power in a purely resistive circuit is :
4. In a purely capacitive circuit voltage is :
5. The equation for 3 phase power is :
6. Equation for induced emf in a transformer is :
7. The reason for making laminations for core construction is :
8. The transformation ratio of a transformer is :
9. An autor transformer transfers power:
10. When transformation ratio of an auto transformer is 0.8 and input is 3 kW the power transferred conductively from primary to secondary is :
11. The function of the commutator in a DC generator is :
12. When coil span equal to pole pitch the winding isl
13. For a simplex lap wound generator equation for induced emf is :... r jZN P
14. The equation for armature current in a DC motoris:
15. Armature torque of a DC motor in N.M. is :
16. A 3 point starter is used to :
17. An AC Generator is equiped with :
18. The speed of a rotating field is known as :•
19. An induction motor works on the basis of:
20. A single phase induction motor has :
21. 'Hie ratio of ampere hour efficiency to Watt hour efficiency of a lead acid cell is :
22. A constant voltage charging system :
23. A kWh meter is classified as :
24. The torque of an ammeter varies as the square of the current through it. If a current of 5A produces a deflection of 90°, what deflection will occur for a current .of 3A, when the instrument is spring controlled :
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