For the circuit of Eigure P3.96, determine whether the load is capacitive or inductive, assuming:
a. $p f=0.87$ (leading)
b. $p f=0.42$ (leading)
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c.
$$
\begin{aligned}
& v_S(t)=42 \cos (\omega t) \mathrm{V} \\
& i_L(t)=4.2 \sin (\omega t) \mathrm{A}
\end{aligned}
$$
d.
$$
\begin{aligned}
& v_S(t)=10.4 \cos \left(\omega t-12^{\circ}\right) \mathrm{V} \\
& i_L(t)=0.4 \cos \left(\omega t-12^{\circ}\right) \mathrm{A}
\end{aligned}
$$