Here why are we converting it into radians by multiplying

Last updated: 6/24/2023

Here why are we converting it into radians by multiplying with 2pue 3 20 4 22 12 A 12 2 resistor and a 0 21 H inductor are connected in series to an a c source operating at 20 V 50 cycle second The phase angle between current and source voltage is 1 30 2 40 3 80 4 90