Section $4\mathrm{.}8$

$4\mathrm{.}52$ PSPICE MULTISIM

a$)$ Would you use the node$-$voltage or mesh$-$current method to find the power absorbed by the $20$ V source in the circuit in Fig. P$4\mathrm{.}52?$ Explain your choice.

b$)$ Use the method you selected in $($a$)$ to find the power.

Figure P$4\mathrm{.}52$

answer should be $480$mW