Consider the following statements regarding the ideal transformer:
1. The excitation current required to produce flux in the core is very less.
2. Iron losses in the core are zero.
3. The percentage voltage regulation of the ideal transformer is always zero.
4. Coupling coefficient K is unity between primary and secondary windings.
Which of the above statements are correct?
1
1, 2 and 3 only
2
1, 2, and 4 only
3
2, 3 only
4
2, 3 and 4 only