The four capacitors in the circuit in Fig. P6.28 are con- nected across the terminals of a black box at t = 0. The resulting current i, for t >0is known to be i 50e 250 MA. If vd(0)15 V, v(0)45 V, and v0) 40 V find the following for t 2 0: (a) vb(t), (b) vat) (c) ve(t), (d) va(t), (e) ii(t), and (f i2(t) Figure P6.28 -0a+ ib 12.5 nF 1 = 0 Black box Ub c+ 50...
i. In the following circuit. I1 = 10 mA. 1.2 = 1 mA and B = 100. Find the value of I/Irel. TOV 100 01 02 + VE RE ii. Consider a BJT current mirror with a nominal current transfer ratio of unity. Let the transistors have Is = 10-15 A, B = 100. VbE=0.7 V and VA = 100 V. Find I, when V. = 5 V, also find R. 111. In a class A output stage. Vee =...
QUESTION 15 Calculate the current I E/ZT (in mA) in the series circuit shown. The source voltage E5 Vrms, the resistance is R-47 W , and the inductor reactance is XL = 33 W . (Enter your answer as the number of mA without the units.) 5 V RMS 350 Hz
1) a) Find the current, I, in the circuit. (15 points) b) Find the power delivered to all elements and show that power is conserved (5 points) 50 V 10 12 I + 10 V +1 M M. 422 522
1. The circuit below is energized by vs(t) = 20 cos(50000) V and i(t) = 4 cos(50000) mA. d 10nF 3400 m HH Od vs(1) HA 40 nF ist) 5 k92 a) Find the Thevenin equivalent as seen from a-b. b) Find the Thevenin equivalent as seen from c-d.
Help needed to solve these two current transient
questions.
5. (15 pts) Determine the current i through the 4 resistor of the following circuit. 3 H 000- IH 3 cos 21 v 34 4 cos 21 V i(t) = 3H IH 6. (15 pts) Determine the current i through the 4 resistor of the following circuit. 4 cos Siv 4 cos 51 V ( J 840 ③ 3 cos 21 v i(t) =
Find the current i() for the circuit shown below: i(t) 2 H 6 cos 100r v ( ??
EXERCISES 8.12 For the circuit in Fig. 8. 19, let 1-1 m1A, Vcc-15 VR-|0 kQ, with α 1, and let the input voltages be: t'ai = 5 + 0.005 sin 2π × 1000t. volts, and = 5-0.005 sin 2π × 10001, volts. (a) If the BJTs are specified to have gr of 0.7 V at a collector current of 1 mA. find the voltage at the emitters. (b) Find g, for each of the two transistors. (c) Find ic for...
Problem 10.7 Consider the circuit in (Figure 1). Part A Find the average power delivered by the ideal current source in the circuit if 2g = 70 cos 1250 mA. Express your answer to three significant figures and include the appropriate units. LO ЦА 2 ? Figure 1 of 1 > P= 96 w Submit Previous Answers Request Answer 5 ΚΩ * Incorrect; Try Again; One attempt remaining 8H 80 nF Provide Feedback
1. (30 points) Diodes in the circuit below have the cut-in voltage V, -0.7 V. Find the output Vif a) (15 points) 7=1 mA. b) (15 points) 7 = 2 mA. Hint to immediately identify the operating mode (regime) of one diode: where does / flow? § 2 = 2 kB D {R = 5