A voltmeter with sensitivity of 1kQ / V to measure the voltage at the ends of the R3 resistor in the circuit shown is being used.
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A: I HAVE EXPLAINED IN DETAIL
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Q: Q4: Find Rab for the circuit in figure below 20 2 ww 16 2 ww 50 ww Rab 18 2 202 12 20 ww ww
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Q: 4. For the circuit in the figure shown calculate the voltage Vx.
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Example-4
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- Look at the images shown. Why can we measure resistance with a pencil drawn on a piece of paper? What is the component/material that is on the pencil that gives a high resistance? With the values given on the images, what are the corresponding color codes (indicate tolerance using a 4-band color code scheme)? If the first value is connected in series with the other value, what is the total resistance? If it’s parallel what is the total resistance? 0.449 mega ohms 102.2 kilo ohmsSolve the following Numerical problems a. What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge? b. A 50-ohm load dissipates 200W of power. How much is the voltage and current across the load? c. If one branch of a 120-V power line is protected by a fuse of 20-A. Will the fuse carry 10-Ohm load? d. If total resistance of a series circuit is 280-Ohm. If one of the resistance is 160-Ohm. What is the sum of other two resistances?Let the following electrical circuits be, in which it is required to determine the value of the voltage V shown:Note that the two previous circuits are identical, the only difference is the load element that has been selected in each of them: in electrical network 1 the load element is resistor R3 while in electrical network 2 the element of load is resistor R1.a) Find, using Thévenin's theorem, the voltage V in electrical network 1.b) Find, using Thévenin's theorem, the voltage V in the electrical network 2.
- The headphones have a resistanceof 600Ω . The headphone amplifier in a battery-powered deviceis designed to deliver 0.1 W to the headphones. If theresistance of the headphones is 24 , calculate thevoltage and current required from the dependentvoltage source (Av in our model) to deliver 0.1 Wto the headphones. How much power is deliveredfrom dependent source? How much power is lost inthe output resistance?In a design task, a wire of 2000 m requires to exhibit a voltage drop of 2.5 Vwhen 3.2 A of current passes though it. Based on the Table Q1 (b) below, inyour opinion, which of the wire is the most suitable for aviation when the fuelsaving is another factor to be considered as well.. If you plot V/i characteristic of a resistor, which parameter of this characteristic gives value of R?Why?2. Does ‘a three digit color coding of resistor values’ limit producible resistor value ranges? Why? If youneed to increase these range what would be your solution?
- b. Due to the water crises that hit your area of residence last year, your landlord built an underground water tank for all the tenants in the house. The dimensions of the tank is 400mm x 300mm x100mm. Assuming the mass of the tank is 56.8Kg. Prove that the Relative Density of the water tank is 4.73.use LTSpice to find the sum of voltage of (VR1 and VC1) at different times during the five cycles and compare their sum to voltage V1. answer the following:An office space measures 50ft x 90ft with 16ft high walls. A 1.25 air changes per hours is desired for this space. Find the heat loss (in btuh) when the indoor temperature is 70°F and the outdoor temperature is 36°F. Select one: a. Q = 56,100 btuh b. Q = 44,880 btuh c. Q = 37,736 btuh d. Q = 75,900 btuh e. Q = 64,350 btuh
- In the circuit illustrated in Fig.1, determine the following using relevant numerical data supplied (i) CurrentI0delivered by the source. (ii) Voltage at the node marked as A. (iii) CurrentI9passing throughR9. (iv) Power dissipated in the resistance,R8 (v)Req seen by the voltage source V0a) The power, P, consumed by a resistor of resistance R, is given by P = E^2R Given that E = 20 V and R = 1000ꭥ, using partial derivatives, find the approximate change inpower if E is decreased by 0.5 V and R is increased by 50ꭥ.b) Check and compare your findings using standard electrical principles.In the circuit of Fig.2, the current through R3 is 10% of the load current supplied through its terminal. The resistances R1, R2 and R3 can be determined when the voltage and current in each resistance had been determined. Determine the following: a. The total resistance of the circuit is? b. The total current is? c. The power dissipation of R2 is?