AP$9\mathrm{.}04\_9$ed

The voltage across the terminals of the $5$F capacitor is $30$ cos $(4,000$ t $+25)$ V$.$

a$)$ Calculate the capacitive reactance.

$$ XC $=$ Answer $1$ Question $2($Ohm$)$

b$)$ Calculate the impedance of the capacitor.

$$ ZC $=$ j Answer $2$ Question $2($Ohm$)$

c$)$ Calculate the phasor current I.

$$ I $=$ Magnitude Answer $3$ Question $2$ with$$ Angle Answer $4$ Question $2$Amps

d$)$ Write the steady$-$state expression for i$($t$).$

$$ i$($t$)=$ Answer $5$ Question $2$ cos $($Answer $6$ Question $2$ t $+$ Answer $7$ Question $2)$ Amps