Question

The current shown in (Figure 1) is applied to a 600 nF capacitor. The initial voltage on the capacitor is zero. Part A Find the charge on the capacitor at t = 30 us. Express your answer to three significant figures and include the appropriate units. 4 = 4.50 C Submit Previous Answers Correct Part B Find the voltage on the capacitor at t = 50 js. Express your answer to three significant figures and include the appropriate units. HA ? Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part C How much energy is stored in the capacitor by this current? Express your answer to three significant figures and include the appropriate units. Figure 1 of 1 > TEHA 0 ? W= Value Units i (mA) Submit Previous Answers Request Answer 400 X Incorrect; Try Again; 4 attempts remaining 1 40 1 (us) 0 5 10 20 30 50 -300 Provide Feedback

Answer 1

i(mA) A C- Goont. Veloso. Io (t) = 6 d Volt) 30 co 20 - dt tlusal - 300 t2 Velt) = Ź S II (H) d t + reto) с to +2 Velt) = į Sell S yu Ielt) di W 2. Velt) = Area under the curve n 4 Now, Port A. charge on capacitor at t=3ously q= Velt=30). from the above relation we can C Vlt) = area under the ure Co to 3 alusel)

I X (tou) (-loom) 3 o 40 50 t usee) 20 - 100 - 200 slope a o-1-300) so 20 - 300 10. The marned 15x5x400) 4 | 15*400 6 x su x 400m ) + liselx 400m) + Joll X (a soom) + Loon + 6ooon 20oon 1050 on 11 4 soon 4.5 c. Noul Post - B. Veltasoll see) = Area under the wore

Velt)= x sux qoom)+ (15U x 400m) + (x30x (-3.0m) 6oon - L Looon + 60oon. 45oon 6oon 25oon 4.1667 V 6oon Paat-c. Energy = 1 cv 2 - - x Goon x 14.1667)? S.208 lu J. Ans.