Question

Which of the following statements are frue?
1. reactive current is necessary to build up the flux for the magnetic fiel
2. some portion of reactive current is converted into work
3. the cosine of angle between KVA and kVAr vector is called power fa
4. the cosine of angle between kW and KVA vector is called power fac
Option 1:
iii & iv
Option 2:​

Answer 1

25 हजार रुपये की लागत से तैयार किया गया है कि वह अपने