For this phasor circuit, the ratio $\frac{\text{w}\text{i}\text{d}\text{e}\text{h}\text{a}\text{t}(V{)}_c}{(widehat(V))}$ is

A$)1+jRC$

B$)jR\frac{C}{1+jRC}$

C$)\frac{1}{R+jC}$

D$)\frac{1}{1+jRC}$

E$)$ None of the above.

$17.$

For which value of $C,$ do we get $v(t)=0$ Volts?

A$)C=1F$

B$)C=2F$

C$)C=0\mathrm{.}25F$

D$)C=0\mathrm{.}5F$

E$)$ None of the above.

$18.$

Assuming phasor representation, the number of purely reactive elements on the right is

A$)0$

B$)1$

C$)2$

D$)3$

E$)4$

$19.$

The reactive power $Q$ of the inductor is:

A$)$ always zero

B$)$ always positive

C$)$ always negative

D$)$ always equal its active power

E$)$ none of the above.