engineering recuitment MAHATRANSCO AE Electrical Mock Test Electrical and Electronics Measurements Instrument Transformers
The primary of a 400/5 A, 10 VA, 0.8 power factor current transformer carries 150 A. The secondary current is 1.8 A. The ratio error of the CT is-
1
-4%
2
+2%
3
-2%
4
+4%