Use mesh method to calculate i(t) = Xcos (1000t + Y) in the given circuit, where Y is the phase in radians. #Acos 10³t V (+ +1 2 ΚΩ 1 μF www io 0.4 H +1 #B sin 103t V

Assume temperature is 300K unless otherwise stated. Boltzmann's constant is 1.38 · 10-23 J · K-1 Q1) Calculate the thermal voltage spectral density for the following circuits. a) 502 b) 2002 V 200 V250 50Ω V50 c) 2M5 1M67 VIM

k A capacitor circuit carrying 12 mA is placed across a 9 V sine wave ac source. A resistor carrying 20 mA is connected in parallel with the capacitor. The total circuit magnitude of current is esc 233 mA 32 mA O 12 MA ! 1 20 mA Q A e N 2 W S X #3 3 E D $ 4 C R F % 5 V T G ^ 6 MacBook Pro B Y H & 7 U N * 00 8 J I M ( 9 K ( O I ) -O L P : ; A + 11 { [ = 11 I delete return

Can you answer the questions in the image, with details on how to do it?   Thank you