engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Indicating Instruments
A dc current with ripple is given by i(t) = [72 + 21 sin (ωt) - 21 sin (3ωt)] amps. Measurements of this current i(t), made by PMMC and MI ammeters, show readings of I1 and I2 respectively. The value of I1/I2, is :
1
0.92
2
0.94
3
0.96
4
0.98