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Question 4 Total marks 25 marks Suppose a...
Please answer me step by step thanks Question 2: Th is question relates to diodes and...
Please answer me step by step thanks
Question 2: Th is question relates to diodes and transistor amplifiers The following question relates to the diode circuit in Figure 2a below. if t E- SV, and the diode was a Red LED, determine; (i) the voltage across the diode, Vo (ii) the value of resistor R, that will give a current, 1 4mA (ii) the current, I, if E--5V (a) he voltage source Figure 2a 8 marks] er amplifier circuit shown...
when simplifying Vo sinwt = iR+ L.di/dt ,to undergo first order linear differention, why is Vo divided by R instead of L...
when simplifying Vo sinwt = iR+
L.di/dt ,to undergo first order linear differention, why is Vo
divided by R instead of L?
APPLICATION FIRST ORDER LINEAR Given: a resistor inductor circuit driven by a sine wave generator with resistance R ohms, L Henrys. The generator voltage is given by V = Vo sin wt AA R Vo sin (w t) (Yeah, that's an inductor let's see you do better!) di The differential equation for the circuit (from Kirchoff's voltage law)...
QUESTION 3 [40 marks] (1) [20 marks] Find the Thevenin equivalent of the circuit given in...
QUESTION 3 [40 marks] (1) [20 marks] Find the Thevenin equivalent of the circuit given in Figure 5. 40 оа 6Ω 0.25 Vx W 8V ЗА 4Ω b Figure 5 (ii) [20 marks] In the circuit of Figure 6, the switch has been in the close position for a long time before opening at time t = 0; a. (2 marks) Find the capacitor voltage v.(0) for t < 0. b. (15 marks) Give an expression for the capacitor voltage...
for part C: the answer is not 0.37098, is not 21.256, is not 1.16546. please help...
for part C: the answer is not 0.37098, is not 21.256, is not
1.16546. please help me to find the write answer. I tried to
formula where I divide part a with R which is
311.20/800=tan^-1(0.389) is wrong!
A resistor and capacitor are connected in series across an ac generator. The voltage of the generator is given by V(t) = Vocos(wt), where Vo = 120V, w=1207 rad/s, R= 800N, and C =9uF. (a) What is the magnitude of the impedance...
[132 2 2 3 4 17 marks] Question 4 A plane wave is travelling in a...
[132 2 2 3 4 17 marks] Question 4 A plane wave is travelling in a vacuum in the +z-direction with wavenumber k and angular frequency . It is linearly polarised in the x-direction, and has electric field given by E(t, z) Eo Cos(kz - wt)f This wave is normally incident on a perfectly electrically conducting, semi-infinite slab in the region z > 0 and the resulting field in vacuum (z < 0) is a superposition of the incident and...
PLEASE! answer clearly and correctly!! Question VII In the Figure 7, find Vo v, = 4...
PLEASE! answer clearly and correctly!!
Question VII In the Figure 7, find Vo v, = 4 cos( 1,000, ) V L=60mH C=12.5 μF Figure 7 QuestionI In Figure 1, l's s a sinusoidal signal in the form of Vin cos(wt + θ) V. Is RL Rc Vs Ic IL Figure 1 Find equivalent impedance seen by Vs . Assume: V, 10 cos( 1000t + π/4), RL-: 1009, Re-500Ω, L-0.1 H and C-50 μF - Find Is, I and Ic Find...
NOTE: PLEASE DO Q.3 Part d and e Answers are given below: Question 3 (16 marks)...
NOTE: PLEASE DO Q.3 Part d and e
Answers are given below:
Question 3 (16 marks) Consider the periodic signal T v(t)24 cos(2t ) - 4 sin(5t - 2 The signal v is given as an input to a linear time-invariant continuous-time system with fre- quency response 4 0 lwl 2 2 jw H(w) lwlT 2, 1 2 jw (a) 3 marks] Find the fundamental period To and frequency wo of v (b) [3 marks] Express v in cosine sine...
please help Question 1 Consider the following circuit, where the reverse saturation current (Is) is the...
please help
Question 1 Consider the following circuit, where the reverse saturation current (Is) is the same for each diode. D2 o Vo Di Vi WWW R 32 23 a. b. Determine an algebraic expression for V1, for a given Vo, and Is. Given an Is of 40 FA and R1 = 3.3 kl , determine the Vi that produces an output voltage (V.) of 0.625 V. C. Recalculate question-b if Is were to be a thousand times greater at...
I just need help with parts d and e and what equation i would use to...
I just need help with parts d and e and what equation i would
use to make my graph
7. The input voltage for the circuit shown in Figure 6.22 is given by Vc(t)- Vo cos ot. Figure 6.22. Circuit for Problem 7 (a) Find the equivalent impedance of all three components in the complex notation. (b) What is the expression for amplitude of the current? (c) What is the expression for the phase difference between the current and the...
Part C is wrong! is not 0.352!!! please help A resistor and capacitor are connected in...
Part C is wrong! is not 0.352!!! please help
A resistor and capacitor are connected in series across an ac generator. The voltage of the generator is given by V(t) = Vocos(wt), where V. = 120V, w = 1204 rad/s, R= 800N, and C =9uF. (a) What is the magnitude of the impedance of the RC circuit? (b) What is the amplitude of the current through the resistor? (c) What is the phase difference between the voltage and current? The...
Please answer me step by step thanks
Question 2: Th is question relates to diodes and transistor amplifiers The following question relates to the diode circuit in Figure 2a below. if t E- SV, and the diode was a Red LED, determine; (i) the voltage across the diode, Vo (ii) the value of resistor R, that will give a current, 1 4mA (ii) the current, I, if E--5V (a) he voltage source Figure 2a 8 marks] er amplifier circuit shown...
when simplifying Vo sinwt = iR+
L.di/dt ,to undergo first order linear differention, why is Vo
divided by R instead of L?
APPLICATION FIRST ORDER LINEAR Given: a resistor inductor circuit driven by a sine wave generator with resistance R ohms, L Henrys. The generator voltage is given by V = Vo sin wt AA R Vo sin (w t) (Yeah, that's an inductor let's see you do better!) di The differential equation for the circuit (from Kirchoff's voltage law)...
QUESTION 3 [40 marks] (1) [20 marks] Find the Thevenin equivalent of the circuit given in Figure 5. 40 оа 6Ω 0.25 Vx W 8V ЗА 4Ω b Figure 5 (ii) [20 marks] In the circuit of Figure 6, the switch has been in the close position for a long time before opening at time t = 0; a. (2 marks) Find the capacitor voltage v.(0) for t < 0. b. (15 marks) Give an expression for the capacitor voltage...
for part C: the answer is not 0.37098, is not 21.256, is not
1.16546. please help me to find the write answer. I tried to
formula where I divide part a with R which is
311.20/800=tan^-1(0.389) is wrong!
A resistor and capacitor are connected in series across an ac generator. The voltage of the generator is given by V(t) = Vocos(wt), where Vo = 120V, w=1207 rad/s, R= 800N, and C =9uF. (a) What is the magnitude of the impedance...
[132 2 2 3 4 17 marks] Question 4 A plane wave is travelling in a vacuum in the +z-direction with wavenumber k and angular frequency . It is linearly polarised in the x-direction, and has electric field given by E(t, z) Eo Cos(kz - wt)f This wave is normally incident on a perfectly electrically conducting, semi-infinite slab in the region z > 0 and the resulting field in vacuum (z < 0) is a superposition of the incident and...
PLEASE! answer clearly and correctly!!
Question VII In the Figure 7, find Vo v, = 4 cos( 1,000, ) V L=60mH C=12.5 μF Figure 7 QuestionI In Figure 1, l's s a sinusoidal signal in the form of Vin cos(wt + θ) V. Is RL Rc Vs Ic IL Figure 1 Find equivalent impedance seen by Vs . Assume: V, 10 cos( 1000t + π/4), RL-: 1009, Re-500Ω, L-0.1 H and C-50 μF - Find Is, I and Ic Find...
NOTE: PLEASE DO Q.3 Part d and e
Answers are given below:
Question 3 (16 marks) Consider the periodic signal T v(t)24 cos(2t ) - 4 sin(5t - 2 The signal v is given as an input to a linear time-invariant continuous-time system with fre- quency response 4 0 lwl 2 2 jw H(w) lwlT 2, 1 2 jw (a) 3 marks] Find the fundamental period To and frequency wo of v (b) [3 marks] Express v in cosine sine...
please help
Question 1 Consider the following circuit, where the reverse saturation current (Is) is the same for each diode. D2 o Vo Di Vi WWW R 32 23 a. b. Determine an algebraic expression for V1, for a given Vo, and Is. Given an Is of 40 FA and R1 = 3.3 kl , determine the Vi that produces an output voltage (V.) of 0.625 V. C. Recalculate question-b if Is were to be a thousand times greater at...
I just need help with parts d and e and what equation i would
use to make my graph
7. The input voltage for the circuit shown in Figure 6.22 is given by Vc(t)- Vo cos ot. Figure 6.22. Circuit for Problem 7 (a) Find the equivalent impedance of all three components in the complex notation. (b) What is the expression for amplitude of the current? (c) What is the expression for the phase difference between the current and the...
Part C is wrong! is not 0.352!!! please help
A resistor and capacitor are connected in series across an ac generator. The voltage of the generator is given by V(t) = Vocos(wt), where V. = 120V, w = 1204 rad/s, R= 800N, and C =9uF. (a) What is the magnitude of the impedance of the RC circuit? (b) What is the amplitude of the current through the resistor? (c) What is the phase difference between the voltage and current? The...
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