Consider the following statements regarding error occurring in current transformer:1. It is due to the magnetic leakage in secondary winding.2. It is due to power consumption in the metering circuit3. It is due to the exciting mmf required by the primary winding to produce flux4. It is due to the non-linear relation between flux density in the core and magnetizing forceWhich of the above statements are correct?

• A. 1, 2, 3 and 4
• B. 1, 2 and 4 only
• C. 2, 3 and 4 only
• D. 1, 2 and 3 only