CURRENT AMPLIFIER: What is the current through the LED? 5602 www 5K0 www

Q: The signal x(t) = cos2n70t+cos 27120t is input to the square-law modulator system given below with…

A: Given:xt=12cos2π.70t+13cos2π.120t, Ac=10 and fc=10 kHz.

Q: Determine the thermal voltage in mV for a silicon diode at a temperature of 20 degrees centigrade.

A: Given data, Temperature T=200 C

Q: What is the power factor

A:

Q: SW1 SW2 L1 L2 A B 1 2 4 5 1 2 6 9 10 3 8 What logic function is being performed? 12 13 4 11 L3

A:

Q: By applying the two golden rules of ideal op-amp circuits, show that the closed-loop voltage gain of…

A:

Q: An unmodulated AM signal produces a current of 5.4 A. If the modulation is 100 percent, calculate:…

A: Given information: The depth of modulation for the amplitude modulation scheme is 100% and the…

Q: When a second-order system is subjected to a unit step input, the values of = 0.5 and wn = 6…

A: We need to find out settling time .

Q: Colpitts oscillator and explain how it works.

A: Given:  1) Draw the Colpitts oscillator and explain how it works.    2) State the functions of all…

Q: For the following circuit, find the value of R given that i, is 15 mA. 90 V R 4 k02 3 KS2 + 21

A: We need to find value of unknown resistor for given current

Q: An unmodulated AM signal produces a current of 5.4 A. If the modulation is 100 percent, calculate:…

A: Given information: The unmodulated AM signal produces 5.4 A current.  The depth of modulation is…

Q: SW1 SW2- L1 A 1₁ B 2 LEDS L2 D 1 3 4 5 2 C L3 What logic function is being performed? LED

A:

Q: Which of the following is an installation requirement for the grounding electrode conductor in a…

A: Introduction: The grounding electrode conductor in a communication system. The Telecommunications…

Q: Find the value of the total current (I) and real power (P) in the given circuits below.

A:

Q: Answer: 2.49 Answer: R₁ Check R₂ This question will check your understanding of Lecture 4 -…

A: We need to find out voltage across resistor .

Q: A d.c. motor having a terminal voltage of 230 volts and the armature current of 55 A, has a counter…

A: We have a D.C motor having, Terminal Voltage (V) = 230 V Armature Current (Ia) = 55 A Counter EMF…

Q: 11a) Give 5 different examples of field devices can provide digital input signals to a PLC. b)…

A: a). An input device is a piece of computer hardware equipment used to provide data, and control…

Q: Determine the divergence of the vector field P = x²yz ax + xy a₂ O a. 2xyz ax O b. 2xyz O c. 2xyz +…

A: Given data, The vector field is  P=x2yz ax+xy az

Q: Q2. A three phase full wave uncontrolled bridge rectifier has an AC input voltage of 90 V RMS at 60…

A:

Q: Two wattmeter method is applied to a balanced 3 phase load. Two wattmeter indicate 84.5 KW and 64.7…

A: Given data, Power is given, P1=84.5 KW, P2=64.7 KW

Q: What is the maximum modulating frequency allowed in commercial FM broadcastings?

A: In this case, the maximum allowed modulating frequency corresponding to commercial FM broadcasting…

Q: When a second-order system is subjected to a unit step input, the values of = 0.5 and wn = 6…

A: Given, A second order system is subjected to a unit step input. ζ=0.5ωn=6 rad/s

Q: Comment on the nature of the terms in the Fourier series for the following functions. (a) -2п -п (b)…

A: Given: 4 different periodic signals.  We have to comment on Fourier series terms of all the given…

Q: Give examples of copper use.

A: Copper is widely used in electrical machines and the power system, uses of copper are listed below:…

Q: LR phase shift control is used in a controlled rectifier. If the value of the inductor is 100 mH,…

A:

Q: A short-circuit test is performed on a 500 kVA, 69 kV/ 13.8 kV, 50 Hz transformer. The test is…

A: Given data, Vsc=50 V, Isc=5 A, Psc=50 W KVA rating S = 500 KVA Voltage rating 69 KV/13.8 KV

Q: 763. (NEW) This is about two points, (x1,y1) and (x2,y2), on a straight line whose slope is given in…

A:

Q: A 0 0 1 1 A B 0 1 0 1 NAND B C 1 1 1 0 C Using negative logic, convert the data in Table into 1's…

A: Logic Gates:- Logic gates, which carry out the many logical operations needed by every digital…

Q: 3. Find the current value, V₁, V₂, and V.. Vin = 10 V R₂ = 4.7 KQ W M -5V -O V R₂= 2.2 KQ

A:

Q: Next the multimeter will be used to measure the voltage VOUT_B for the second potential divider. The…

A: We need to find out output voltage for given circuit.

Q: Step 2. Replace voltage source 6A 202 R₁ 102 R3 V, R2 402 R₂ 1 2.52R,

A:

Q: What is the charge that passes th 100V Oa. 200 c O b. 150 C OC 300 C d. 250 C Ⓒe. 350 C

A: Circuit diagram is given,

Q: A 230 V, 980 RPM, 195 A separately excited dc motor has an armature resistance of 0.025 2. The motor…

A:

Q: (ii) Calculate the inductance of a coil wound on a ferromagnetic cylinder of 2 mm diameter and 10 mm…

A: SOLUTION                               Part(ii) Given-->       Coil…

Q: If a 0.3 H inductor and a 47 uF capacitor are connected in series and given a 200 V 50 Hz…

A:

Q: Q3 (ABET) Calculate the power delivered to the 3-ohm resistor using superposition: Ο 20 V ΣΩ www. ΤΩ…

A: This question belongs to circuit theory . It is based on the concept of super position theorem in…

Q: A single phase line has a resistance of 52ohm per conductor and an inductance of 25 mH per…

A:

Q: ages you use a multimeter with a 1 MQ input resistance connected as shown below. The circuit values…

A: We need to find out the output voltage for given circuit

Q: Find the energy stored in the m 1H 24V 6Ω www

A: Given data, Circuit diagram is given as,

Q: A current transformer has a phase error of +3°. The phase angle between the primary and secondary…

A: Given: A current transformer has, Phase error = +3°

Q: A series RL circuit is connected to a 110-V ac source. If the voltage across the resistor is 14 V,…

A: Given data, Source voltage Vs=110 V Voltage across resistor VR=14 V

Q: 3 of 3 related questions. Calculate the total voltage Vacross R₂ which is the sum of the individual…

A: We need to find out the voltage across resistor in the given circuit

Q: Compute the Thevenin impedance and voltage for the equivalent circuit shown given that the…

A:

Q: If R2= 50k ohms, find the values of R1 and C to create a gain of 30 and a cutoff frequency of 15 Hz.…

A:

Q: A copper coil has a resistance of 50ohm at a temperature of 20°C and a resistance of 57.86ohm at a…

A:

Q: A load of 500 kVA operates at 0.6 lagging power factor on 1100 V, 50 Hz mains. The power factor of…

A:

Q: A 6-pole motor turns at 1080 rpm when connected to a 60 Hz voltage source. Most nearly, what is the…

A: Given: For the induction motor P=6Nr=1080 rpmf=60 Hz

Q: Give five desirable characteristics of a tariff.

A: People pay the government money in exchange for having ample electricity in all of our homes. Let's…

Q: Example Problems: 1) Find the Req for the circuit shown in below figure. Rea 402 852 ww 192 www

A:

Q: Four resistances 6, 12, 10 and 15 ohm, respectively form the four arms of a wheaststone bridge. How…

A:

Q: A three phase full wave uncontrolled bridge rectifier has an AC input voltage of 90 V RMS at 60 Hz…

A: Given, A three phase full wave uncontrolled bridge rectifier,                    Vin= 90V rms (line…

Star Delta Conversion

Find the input resistance between points A and B of the following resistive network: