1.

A pure inductor of 25mH is connnected to a source of 220V and 50 Hz. Find the inductive reactance, rms value of current and peak current in the circuit.

Answer»

Solution :Here : `L=25x10^(-3)H,V_("RMS")=220V,V=50Hz,X_(L)=?I_("rms")=?I_(0)=?`
INDUCTIVE reactance is `""X_(L)=omegaL=2pi vL`
`=2xx3.14xx50xx25xx10^(-3)`
`=7850xx10^(-3)`
`X_(L)=7.850Omega`
rms value of current in the CIRCUIT is given by
`I_("rms")=(V_("rms"))/(X_(L))`
`=(220)/(7.850)`
`=28.025" A"`
Peak current in the circuit is
`I_(0)=sqrt(2)I_("rms")=1.414xx28.025`
`=39.627" A"`.


Discussion

No Comment Found

Related InterviewSolutions