Quiz

Q1. The integration and derivative of a sinusoidal function of AC is:

Q2. Which type of transformer increases the current level from primary to secondary?

Q3. The inter pole winding in DC machine is

Q4. In a clocked SR flip-flop, R is connected with S through an inverter, the cricuit is called

Q5. A 3-phase induction motor is wound for 4 poles and is supplied from 50 Hz supply. Calculate the rotor speed if the slip is 4%.

Q6. Efficiency of a power transformer is of the order of :

Q7. Corona loss can be reduced by the use of hollow conductors because 

Q8. The direction of electrical field due to (+) positive charge is

Q9. Which type of connection is used in transformers to link a 3-phase system with a 2-phase system with the flow of power in either direction?

Q10. A transparent latch is