What is the general function of the differential voltmeter?

What is the general function of the differential voltmeter?
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1 Answer

Answer :

To compare an unknown voltage with a known reference voltage  and indicate the difference in their values.
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Related questions

What are the advantages of using a differential voltmeter?

Description : What are the advantages of using a differential voltmeter?

Last Answer : Accuracy and high input impedance.

When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?

Description : When taking a voltage measurement, which lead of the voltmeter should you connect to the circuit first?

Last Answer : Ground.

On what range should you set the voltmeter prior to taking a voltage measurement?

Description : On what range should you set the voltmeter prior to taking a voltage measurement?

Last Answer : Highest.

If an ac voltmeter is connected between the S2 and S3 windings on a TX, at what two rotor positions should the voltmeter read maximum voltage?

Description : If an ac voltmeter is connected between the S2 and S3 windings on a TX, at what two rotor positions should the voltmeter read maximum voltage?

Last Answer : . 150º and 330º

What should a voltmeter read when a TX is set on coarse zero?

Description : What should a voltmeter read when a TX is set on coarse zero?

Last Answer : Approximately 37 volts.

What is the advantage of using a battery test set versus a voltmeter to test batteries?

Description : What is the advantage of using a battery test set versus a voltmeter to test batteries?

Last Answer : A battery test set will test batteries under load conditions.

Why would you use a hook-on voltmeter instead of a multimeter?

Description : Why would you use a hook-on voltmeter instead of a multimeter?

Last Answer : To measure current safely and easily (with no need to disconnect the wiring of the circuit).

Why should you always use the highest range when connecting a voltmeter to a circuit?

Description : Why should you always use the highest range when connecting a voltmeter to a circuit?

Last Answer : To prevent excess current through the meter movement.

What method is used to allow a voltmeter to have several ranges?

Description : What method is used to allow a voltmeter to have several ranges?

Last Answer : The use of resistors in series with the meter movement.

What is voltmeter sensitivity?

Description : What is voltmeter sensitivity?

Last Answer : It is an indication of the resistance of the meter expressed in ohms per volt. The total resistance of the meter is the sensitivity multiplied by the full-scale voltage.

How is the loading effect of a voltmeter kept to a minimum?

Description : How is the loading effect of a voltmeter kept to a minimum?

Last Answer : A voltmeter must have a high resistance compared to the circuit being measured.

What is the loading effect of a voltmeter?

Description : What is the loading effect of a voltmeter?

Last Answer : The connection of a voltmeter adds a resistance in parallel with the circuit changing the total circuit resistance, and loads the circuit.

How is a voltmeter connected to the circuit to be measured?

Description : How is a voltmeter connected to the circuit to be measured?

Last Answer : In parallel.

What electrical quantity is measured by a voltmeter?

Description : What electrical quantity is measured by a voltmeter?

Last Answer : Voltage.

What term is used to express the sensitivity of a voltmeter?

Description : What term is used to express the sensitivity of a voltmeter?

Last Answer : Ohms per volt

When making voltage measurements in a high-resistance circuit, you should always use a voltmeter with what relative value of resistance?

Description : When making voltage measurements in a high-resistance circuit, you should always use a voltmeter with what relative value of resistance?

Last Answer : . High.

What precaution should you take when you use 115 volts to zero a differential?

Description : What precaution should you take when you use 115 volts to zero a differential?

Last Answer : Never leave the circuit energized for more than 2 minutes.

What determines whether a differential synchro adds or subtracts?

Description : What determines whether a differential synchro adds or subtracts?

Last Answer : The way the differential synchro is connected in a system is the deciding factor on whether the unit adds or subtracts its inputs.

What are the two types of differential synchros?

Description : What are the two types of differential synchros?

Last Answer : The TDX and the TDR.

What is the purpose of using differential synchros instead of regular synchros?

Description : What is the purpose of using differential synchros instead of regular synchros?

Last Answer : Differential synchros can handle more signals than regular synchros and also perform addition and subtraction functions.

If the single-input, differential-output, differential amplifier has an output signal taken between the two output terminals, what will the peak-to-peak amplitude of this combined output be?

Description : If the single-input, differential-output, differential amplifier has an output signal taken between the two output terminals, what will the peak-to-peak amplitude of this combined output be?

Last Answer : 200 millivolts. A-18. a. Differential amplifier

If the differential amplifier is configured with a single input and differential outputs, what will the output signals be?

Description : If the differential amplifier is configured with a single input and differential outputs, what will the output signals be?

Last Answer : Each output will be a sine wave with a peak-to-peak amplitude of 100 millivolts. The output signals will be 180 degrees out of phase with each other.

How many inputs and outputs are possible with a differential amplifier?

Description : How many inputs and outputs are possible with a differential amplifier?

Last Answer : Two inputs, two outputs.

. How do tape transports with differential velocity capstans maintain a constant tape tension in the area around the magnetic heads?

Description : . How do tape transports with differential velocity capstans maintain a constant tape tension in the area around the magnetic heads?

Last Answer : The supply capstan is slightly larger than the take-up capstan. This causes the take-up capstan to pull the tape slightly faster than the supply capstan feeds the tape.

Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages

Description : Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages

Last Answer : Answer: C

The equation m(d 2 x/ dt 2 ) + c (dx/dt) + Kx = F 0 sin ωt is a second order differential equation. The solution of this linear equation is given as A. complementary function B. particular function C. sum of complementary and particular function D. difference of complementary and particular function

Description : The equation m(d 2 x/ dt 2 ) + c (dx/dt) + Kx = F 0 sin ωt is a second order differential equation. The solution of this linear equation is given as A. complementary function B. particular function C. sum of complementary and particular function D. difference of complementary and particular function

Last Answer : C. sum of complementary and particular function

Explain working of pressure switch with suitable diagram. State the function of differential setting in pressure switch.

Description : Explain working of pressure switch with suitable diagram. State the function of differential setting in pressure switch.

Last Answer : Pressure switch is used to turn on/off when specified pressure is reached. It consists of a pressure port and bellows. When pressure is applied, bellows expand and actuate the snap action ... pressure setting i.e. hysteresis setting. This prevents chattering of pressure switch contacts.

What is a medium that contains ingredients that inhibit the growth of some organisms while allowing the growth of others? a. Differential b. General purpose c. Enriched d. Selective e. All the above

Description : What is a medium that contains ingredients that inhibit the growth of some organisms while allowing the growth of others? a. Differential b. General purpose c. Enriched d. Selective e. All the above

Last Answer : d. Selective

What is meant by Voltmeter & Ammeter ?

Description : What is meant by Voltmeter & Ammeter ?

Last Answer : Voltmeter measures the voltage of any load or any line and the voltmeter has to be connected parallel to the load. The ammeter measures the current flowing through a load or the current of an electrical line. The ammeter is connected in series with the load.

What is a voltmeter ?

Description : What is a voltmeter ?

Last Answer : : A device that can be used to directly measure the voltage difference between two points on any part of a circuit is called a voltmeter.

What should be the resistance of a standard voltmeter ?

Description : What should be the resistance of a standard voltmeter ?

Last Answer : : The resistance of a standard voltmeter should be infinite.

What are the physical quantities measured with voltmeter and ammeter ?

Description : What are the physical quantities measured with voltmeter and ammeter ?

Last Answer : : The voltage difference between two points of a circuit is measured with a voltmeter. And the flow rate of an electric circuit is measured with an ammeter.

How to connect voltmeter and ammeter to circuit ?

Description : How to connect voltmeter and ammeter to circuit ?

Last Answer : : A voltmeter is connected in parallel with the two points of voltage circuit to measure the voltage difference. Again, to measure the flow rate of an electric circuit, ammeters are added to the electromagnetic circuit.

What if I connect to voltmeter series ?

Description : What if I connect to voltmeter series ?

Last Answer : If connected to the volt meter series, no text can be found on the meter. Because the internal resistance of the voltmeter is infinite.

What is a voltmeter ?

Description : What is a voltmeter ?

Last Answer : The meter by which voltage is measured is called a voltmeter

The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential difference is measured by a voltmeter of resistance `1000 Omeg

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In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read

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A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range

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A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. If it is to work as a voltmeter of `30 V` r

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Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential drop across B and C measured by vol

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The range of voltmeter is 10 V and its internal resistance is `50 Omega`. To convert it to voltmeter of range 15 V, how much resistance is to be added

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