2.a. Simplify and determine Zk+ for: 2.x. 60 [Hz] ⚫ 2.y. 180 [Hz] a.x. 60[Hz] a.y. 180 [Hz] Joo (127 2[H] w 240 [√]

Match the differential expression to its units. ✓rdp A V V R2 sin0d0dp R² sin0d0dqdR - ✓ de A. m² B. m3 C. m D. rad

3.2-8 A sinusoid of frequency fo Hz is sampled = 20 Hz. Find the apparent at a rate fs frequency of the sampled signal if fo is (а) 8 Hz (b) 12 Hz

I ned answers for 2 a) and 2 b)

A certain impedance is given by 1012° N. Does the current lead or lag the voltage, and by how many degrees? Fill in the blanks. The current the voltage by

I need answers for all the questions

I need help understanding what to do for these problems

Damping ratio quettion.

parts a and b only

Q. Choppers..