A current \( - 8 + 6\;\sqrt 2 \;\left( {\sin \omega t + 30^\circ } \right)\) A is passed through three meters. They are a center zero PMMC meter, a true RMS meter, and a moving iron instrument. The respective readings in A will be
1
8, 6, 10
2
8, 6, 8
3
-8, 10, 10
4
-8, 2, 2