1.

A series R-L-C circuit has R = 100 Ohm. L = 0.2 mH and C = (1)/(2) mu F. The applied voltage V = 20 sin omega t. When the current lags the applied voltage by 45^(@), the equation of the current is

Answer»

`0.2 SIN (OMEGA t + TAN^(-1) 0.3)`
`0.2 sin (omega t - tan^(-1) 0.3)`
`0.3 sin (omega t + tan^(-1) 0.3)`
`0.3 sin (omega t - tan^(-1) 0.3)`

Answer :B


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