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
An analog ohmmeter based on moving coil instrument is designed using with full-scale deflection angle of...
An analog ohmmeter based on moving coil instrument is designed using with full-scale deflection angle of 120 degrees, moving coil resistance of 50 Ω, a 9V battery and a series resistance. Calculate the value of the series resistance such that the half-scale deflection corresponds to a measured resistance of 10 kΩ.
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?
If the resistance of your galvanometer is R, and if it has full-scale deflection (FSD) at...
If the resistance of your galvanometer is R, and if it has full-scale deflection (FSD) at 1 mA, to create a voltmeter with FSD at 25 V, you need to connect the galvanometer in series with a resistor of resistance + R - R * R /R 25 250 2500 25,000 250,000 25 250 2500 25,000 250,000
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 galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when...
A galvanometer has a coil resistance of 100 ohms and gives a full scale deflection when the potential difference across it is 0.0005 V. What size resistor (with a value measured in ohms) is required to make a 5.0 A. full scale deflection ammeter?
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...
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...
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