Q11. The turns compensation is used in current transformer primarily for reduction of

Q12. In the magneto-optical current transformer (MOCT), the polarization rotation angle is

Q13. The potential transformers (PTs) are used to extend the range of………………..

Q14. The meter constant of an energy meter is given by

Q15. When connecting a wattmeter in a circuit, how should the coils be connected?

Q16. In two wattmeter method, the two readings are 1000W and are 2000W. The reactive power of the circuit is given by

Q17. If an energy meter disc makes 10 revolutions in 100 seconds when a load of 500 W is connected to it, the meter constant is

Q18. In a balanced Wheatstone bridge, if the positions of galvanometer and source are interchanged, what will happen ?

Q19. Which one of the following bridges will be used for the measurement of very low resistance?

Q20. Maxwell's bridge can be used for measurement of inductance with