Q1) Design DC Voltmeter with these ranges: (0 – 500 V),(0 – 600 V),(0 – 750 V) by using D'Arsonval movement Rm=100Q,In= 1mA.
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A: Given R=2ohm L=10mH C= 1000uF E=100V
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Q: Q1) Define the following D'arsonval movement, Galvanometer sensitivity, Voltmeter sensitivity,…
A: As per Bartleby guidelines we are allowed to solve only three subparts,please ask the rest again.
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A: The solution is given below
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- In a DC circuit as shown, the high resistance voltmeter gives a reading of +0.435 V. What is the value of resistance R?Shown below is a typical setup for a solar battery system. Sun’s energy is converted to electricity using solar PV modules. To match the output voltage of the PV module to the battery's, a charge controller is used which is a DC-DC converter. The sun’s output power is given as 1000 W/m2. The solar module has a surface area of 1 m^2 with a conversion efficiency of 10%. A charge controller converts the 20V module voltage to 12V battery voltage, with an efficiency of 84% The battery is 12V with a capacity of 10Ah. Assuming the battery is half empty (or half full, depending on your personality) and the bulb is powered on, how long will it take for the battery to be fully charged? How long can the bulb be powered at night, assuming full battery when the sun goes down and that you can fully drain the battery? (answer in hours)If the same meter movement from no.1 is to be used in an Ayrton shunt arrangement, find the required resistances for 1 A, 500 mA and 100 mA ranges. (Given in no.1:A 500-Ω shunt resistance was connected to a 5-mA meter movement to form a 25-mA single range DC ammeter.)
- A moving coil instrument gives a full scale deflection of 10mA, when the potential difference across its terminal is 100mV. Calculate a) The shunt resistance for a full scale deflection corresponding to 100A b) The resistance for full scale reading with 1000V. c) Calculate the power dissipation in each case?What is electrical engineeringTo what temperature does VT = 0.025 V actually correspond? What is the value of VT for temperatures of −55◦C, 0◦C, and +85◦C?
- A. Now suppose the switches are both changed to position B, such that the capacitors and the identical light bulbs are connected. Which light bulb will turn off first? Explain.Hint: consider that the resistances of LB1 and LB2 are identical. B. How much charge will each of the capacitors have in the end?A motor with inductance L and resistance R uses 5.0 W of power when connected to a 10-Vbattery and 400 W of power when connected to a 120-V, 60-Hz power source. Determine thevalues of R and L.Sketch and describe the construction of a moving-coilammeter and give the principle of operation.A moving-coil instrument gives full-scale deflection with 15 mA and has a resistance of 5 Ω. Calculatethe resistance of the necessary components in orderthat the instrument may be used as: (a) a 2 A ammeter;(b) a 100 V voltmeter
- A 150V moving iron volt meter intended for 50Hz has an inductance of 0.7H and a resistance of 3K ohm. Find the series resistance required to extend the range of instrument to 300V if this 300V - 50Hz instrument used to measure dc voltage find the dc voltage when the scale reading is 200Vthis question is from course electrical technology fundamentals kindly solve thisElectrical power is distributed and consumed in AC or DC. (A) Discuss the reasons that resulted in AC power been chosen over DC in the early days of electricity networks (B) Because of the large fixed cost necessary to convert ac to dc and then back to ac, dc transmission is only practical for several specialized applications. Discuss briefly three such applications.