A 300 V voltmeter is specified to be accurate within ± 2% at full scale deflection....
A 300 V voltmeter is specified to be accurate within ± 2% at full scale deflection. Calculate the absolute error and the percentage error when the instrument is used to measure a 120 V.
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A 300 V voltmeter is specified to be accurate within ± 2% at
full scale deflection....
1. A certain voltmeter has scale (0-10) V and accuracy 1%. Voltmeter indicates 4.52 V. What...
1. A certain voltmeter has scale (0-10) V and accuracy 1%. Voltmeter indicates 4.52 V. What are the limits for actual voltage? [Ans.(4.52 +/-0.1) V] 2. An ammeter with the scale (0 - 100) mA and accuracy 2% indicates currents 42 mA and 70 mA. Find the possible percentage error for each reading. [Ans. +/- 4.76%, +/- 2.86%). 3. A voltmeter has two scale (0 - 10) V and (0 - 100) V with 100 divisions for each scale. Define...
A moving cool milliameter having a resistance of 10 ohms gives full scale deflection when a...
A moving cool milliameter having a resistance of 10 ohms gives full scale deflection when a current of 5 MA is passed through it. explain how this instrument can be used for measure (a) current uptown 1A, (b) voltage up to 5v
A PMMC meter's full-scale current is 20 A, use the voltmeter to measure a unknown voltage...
A PMMC meter's full-scale current is 20 A, use the voltmeter to measure a unknown voltage with 500 load s with IMO, the meter reads 5 Vols in the 0-10 V range of the meter scale as shown is the figure below R,-500k R-1M ) (VR.. ? Vunknow 1. Find the Re 2. Find the new voltage 3. Find the voltage that should be found 4. Calculate the relative error of the measurement
20 kΩ/V voltmeter reads 10 V full scale. (a) (b) 22. What series resistance is required...
20 kΩ/V voltmeter reads 10 V full scale. (a) (b) 22. What series resistance is required to make the meter read 50 V full scale? What power will the series resistor dissipate when the meter reads full scale?
Y ou have available a galvanometer that gives a full-scale deflection for a 333-μA current and...
Y ou have available a galvanometer that gives a full-scale deflection for a 333-μA current and has a coil resistance of 33 Ω. (a) What shunt resistance is needed to convert this galvanometer to a 5.0-A ammeter? (b) What series resistance is needed to convert this galvanometer to a 5.0-V voltmeter?
2) For a galvonometer, the value of the current that gives a full scale deflection is...
2) For a galvonometer, the value of the current that gives a full scale deflection is 3 mA and the internal resistance of the coil in the galvanometer is 90 2. a) Find the shunt resistance Rs which allows this galvonometer to be used as a 5 A ammeter. b) Draw the circuit of the constructed 5 A ammeter and show the corresponding currents and resistance values in the circuit. c) When the scale shows 0.75 mA, what will be...
A moving coil instrument has a resistance of 10ΩΩ and give a full deflection of 150...
A moving coil instrument has a resistance of 10ΩΩ and give a full deflection of 150 divisions with a p.d of 0.15V. Calculate the extra resistance required and show how it is connected to enable the instrument to be used as a voltmeter reading upto 15 volts. If the moving coil has a negligible temperature coefficient but the addedresistance has a temperature coefifcient of 0.004Ω/°C. Determine the reading that the p.d of 10V will give at 15°C, assuming instrument reads...
moving-coil instrument, used as a voltmeter, has a coil of 150 turns with a width of...
moving-coil instrument, used as a voltmeter, has a coil of 150 turns with a width of 3 cm and an active length of 3 cm. The gap flux density is 0.15 T. If the full-scale reading is 150 V and the total resistance of the instrument is 100 000 Ω, find the torque exerted by the control springs at full scale. coil of a moving-coil instrument is wound with 40 turns. The mean width of the coil is 4 cm...
Problem 3.49 6 of 13 A Review Constants A 200 kn resistor is connected from the...
Problem 3.49 6 of 13 A Review Constants A 200 kn resistor is connected from the 100 V terminal to the common terminal of a dual-soal voltmeter, as shown in Figure 1). This modified Voltmeter is then used to measure the voltage across the 600 kronistor in the circuit in (Figure 2) Part A What is the reading on the 820 V scale of the meter? Assume that both scales of the given dual scale voltmeter were recalibrated when the...
Part A Review Constan A 200 kn resistor is connected from the 100 V terminal to...
Part A Review Constan A 200 kn resistor is connected from the 100 V terminal to the common terminal of a dual scale voltmeter, as shown in Floure 1). This modified voltmeter is then used to measure the voltage across the 600 resistor in the circuit in gure 2) What is the reading on the 820 V scale of the motor? Assume that both scales of the given dual-scale voltmeter were recalbrated when the 200 kn resistor was connected to...
1. A certain voltmeter has scale (0-10) V and accuracy 1%. Voltmeter indicates 4.52 V. What are the limits for actual voltage? [Ans.(4.52 +/-0.1) V] 2. An ammeter with the scale (0 - 100) mA and accuracy 2% indicates currents 42 mA and 70 mA. Find the possible percentage error for each reading. [Ans. +/- 4.76%, +/- 2.86%). 3. A voltmeter has two scale (0 - 10) V and (0 - 100) V with 100 divisions for each scale. Define...
A PMMC meter's full-scale current is 20 A, use the voltmeter to measure a unknown voltage with 500 load s with IMO, the meter reads 5 Vols in the 0-10 V range of the meter scale as shown is the figure below R,-500k R-1M ) (VR.. ? Vunknow 1. Find the Re 2. Find the new voltage 3. Find the voltage that should be found 4. Calculate the relative error of the measurement
20 kΩ/V voltmeter reads 10 V full scale. (a) (b) 22. What series resistance is required to make the meter read 50 V full scale? What power will the series resistor dissipate when the meter reads full scale?
2) For a galvonometer, the value of the current that gives a full scale deflection is 3 mA and the internal resistance of the coil in the galvanometer is 90 2. a) Find the shunt resistance Rs which allows this galvonometer to be used as a 5 A ammeter. b) Draw the circuit of the constructed 5 A ammeter and show the corresponding currents and resistance values in the circuit. c) When the scale shows 0.75 mA, what will be...
Problem 3.49 6 of 13 A Review Constants A 200 kn resistor is connected from the 100 V terminal to the common terminal of a dual-soal voltmeter, as shown in Figure 1). This modified Voltmeter is then used to measure the voltage across the 600 kronistor in the circuit in (Figure 2) Part A What is the reading on the 820 V scale of the meter? Assume that both scales of the given dual scale voltmeter were recalibrated when the...
Part A Review Constan A 200 kn resistor is connected from the 100 V terminal to the common terminal of a dual scale voltmeter, as shown in Floure 1). This modified voltmeter is then used to measure the voltage across the 600 resistor in the circuit in gure 2) What is the reading on the 820 V scale of the motor? Assume that both scales of the given dual-scale voltmeter were recalbrated when the 200 kn resistor was connected to...
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