Ryall crest voltmeter is used for measurement of

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Answer :

Ryall crest voltmeter is used for measurement of High AC voltage.

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A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the

Description : A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the resolution of the instrument will be (a) 100 mV (b) 99 mV (c) 9 mV (d) 1 mV 

Last Answer : d) 1mV 9.999v÷9999v

In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of

Description :  In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is   (A) 1.810% (B) 0.181% (C)12.45% (D) 0.0018%

Last Answer :  In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is 12.45%

In order to increase the range of a voltmeter

Description : In order to increase the range of a voltmeter

Last Answer : In order to increase the range of a voltmeter a high resistance is connected in series

An accurate voltmeter must have an internal impedance of

Description : An accurate voltmeter must have an internal impedance of (A) very low value. (B) very high value (C) medium value. (D) zero Value

Last Answer : An accurate voltmeter must have an internal impedance of very high value

Range of a voltmeter can be extended by connecting a

Description : Range of a voltmeter can be extended by connecting a

Last Answer : Range of a voltmeter can be extended by connecting a Multiplier in series

An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to

Description : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to  (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity

Last Answer : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to 0.9 times dc sensitivity

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic

Description : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

Last Answer : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field

A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale...

Description : A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by the instrument is 83V. The percentage limiting error is

Last Answer : A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by the instrument is 83V. The percentage limiting error is 4.85%.

If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be

Last Answer :  If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be 10.

The principle on which vector voltmeter is based is

Last Answer : The principle on which vector voltmeter is based is that it measures the amplitude of a single at two points and at the same time measures their phase difference

If a voltmeter is connected, like an ammeter in series to the load:

Last Answer : If a voltmeter is connected, like an ammeter in series to the load: Almost no current will flow in the circuit

A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when ...

Description : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:

Last Answer : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:  2.0.

The multiplier and the meter coil in a voltmeter are in?

Last Answer : The multiplier and the meter coil in a voltmeter are in series.

can voltmeter measure resistance?

Last Answer : Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because

Description : For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because

Last Answer : For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because A. ... does not take current from the circuit

In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Description : In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Last Answer : Answer: A

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.

Voltage measurement in a high impedance circuit requires a voltmeter with

Description : Voltage measurement in a high impedance circuit requires a voltmeter with

Last Answer : high input impedance

In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Description : In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Last Answer : as high as possible

Which of the following instruments can be used for measurement of very high value resistances such as

Description : Which of the following instruments can be used for measurement of very high value resistances such as insulation resistance in industries? A) Wheatstone bridge B) Megger C) Ohm-meter D) Resistive potentiometer 

Last Answer : Which of the following instruments can be used for measurement of very high value resistances such as insulation resistance in industries? A) Wheatstone bridge B) Megger C) Ohm-meter D) Resistive potentiometer 

In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings

Description :  In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings of the wattmeters are 4 kW and 2 kW respectively, the later is being taken after reversing the connections of current coil. the ... kVAR B) 0.2 & 6 √3 kVAR C) 0.32 & 2 kVAR D) 0.32 & 2 √3 kVAR

Last Answer :  In the measurement of power of balanced load by two wattmeter method in a 3-phase circuit, The readings of the wattmeters are 4 kW and 2 kW respectively, the later is being taken after reversing the ... of current coil. the power factor and reactive power of the load is 0.2 & 6 √3 kVAR

The function of measurement system is/are _____.

Description : The function of measurement system is/are _____.

Last Answer : The function of measurement system are indicating, recording and controlling function.

For power measurement of three phase circuit by two wattmeter method, when the value of power factor

Description : For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging:

Last Answer : For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging: One of the wattmeter connections will have to be reversed

The measurement range of an ammeter can be increased by using a:

Description : The measurement range of an ammeter can be increased by using a:

Last Answer : The measurement range of an ammeter can be increased by using a: low resistance in shunt

Clamp on ammeter is used for measurement of:

Description : Clamp on ammeter is used for measurement of:

Last Answer : Clamp on ammeter is used for measurement of: large alternating currents

Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of

Description : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is   (A)sinusoidal (B) square (C) rectangular (D) triangular

Last Answer : Weins bridge is used for measurement of frequency in the applied voltage waveform is measurement of frequency in the applied voltage waveform is sinusoidal 

Measurement of power and power factor of a 3-phase system by two wattmeter method can be

Description : Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3-phase 3 ... b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5 

Last Answer : Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3- ... b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5 

Integrating principle in the digital measurement is the conversion of

Description : Integrating principle in the digital measurement is the conversion of   (a) Voltage to time (b) Voltage to frequency (c) Voltage to current (d) Current to voltage

Last Answer : Integrating principle in the digital measurement is the conversion of Voltage to frequency

In the measurement of power by two wattmeter method, when the readings of the two

Description : In the measurement of power by two wattmeter method, when the readings of the two wattmeters are equal, the power factor is (A) Zero (B) Leading (C) Lagging (D) Unity

Last Answer : In the measurement of power by two wattmeter method, when the readings of the two wattmeters are equal, the power factor is Unity

For measurement of radio frequency ac signals __________ type meter is used

Description : For measurement of radio frequency ac signals __________ type meter is used

Last Answer : For measurement of radio frequency ac signals thermo-couple type meter is used

Measurement of a non -electrical quantity involves the following four subsystems:

Description : Measurement of a non -electrical quantity involves the following four subsystems:  a) amplifier block b) display block c) instrumentation block d) transducer block  The correct, sequence in which these block occur is  (1) d,a,c,b (2) d, c, a, b (3) a, c, b, d (4) a, b, c, d

Last Answer : Measurement of a non -electrical quantity involves the following four subsystems:  a) amplifier block b) display block c) instrumentation block d) transducer block  The correct, sequence in which these block occur is d,a,c,b

The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm

Description : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Last Answer : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

Accurate measurement of very low resistances is possible with

Description : Accurate measurement of very low resistances is possible with (A) Megger (B) Wheatstone Bridge (C) Kelvin’s Double Bridge (D) Wagner’s Earthing Device

Last Answer : Accurate measurement of very low resistances is possible with Kelvin’s Double Bridge

A measure of the reproducibility of measurement is known as

Last Answer : A measure of the reproducibility of measurement is known as Precision.

The absolute measurement of resistance is done by

Last Answer : The absolute measurement of resistance is done by Lorenz method.

Why is a MISC meter not recommended for DC measurement?

Last Answer : MISC meter not recommended for DC measurement because the error is high due to the hysteresis effect.

An instrument to be used for measurement and control should preferably have

Last Answer : An instrument to be used for measurement and control should preferably have Linear output and fast response

In the case of power measurement by two wattmeter method in a balanced 3Φ system with a pure inductive load

Last Answer : In the case of power measurement by two wattmeter method in a balanced 3Φ system with a pure inductive load both the Wattmeter will indicate the same but of opposite sign.

Kelvin double bridge is best suited for the measurement of:

Last Answer : Kelvin double bridge is best suited for the measurement of: Low resistance

Megger is an instrument used for the measurement of:

Last Answer : Megger is an instrument used for the measurement of: High resistance and insulation resistance

Hay’s Bridge is suitable for the measurement of:

Last Answer : Hay’s Bridge is suitable for the measurement of: Inductances with Q>10.

The power measurement in a balanced 3-phase circuit can be done by:

Last Answer : The power measurement in a balanced 3-phase circuit can be done by: One wattmeter method, Two wattmeter method, Three wattmeter method.

Commonly used instruments in power system measurement are?

Last Answer : Commonly used instruments in power system measurement are induction.

For measurement of inductance having high value, we should use?

Last Answer : For measurement of inductance having high value, we should use Hay's bridge.

For measurement of mutual inductance we can use?

Last Answer : For measurement of mutual inductance we can use Heaviside bridge.

In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero...

Description : In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be?

Last Answer : In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be 0.5.

In a 3-phase power measurement by two wattmeter method, both the wattmeters had identical readings...

Description : In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was?

Last Answer : In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was unity.

Does the fact that my dog, Cato, has a saggital crest suggest he has some pit bull in him?

Description : Does the fact that my dog, Cato, has a saggital crest suggest he has some pit bull in him?

Last Answer : Reading that article, Cato is part orangutang. No wonder he was mad when you started playing with that cute dog down teh street. p.s. I thought the Sagittal Crest was a ridgeline in the Sierra Nevada.

If you have used crest white strips, how long did it take to see results?

Description : If you have used crest white strips, how long did it take to see results?

Last Answer : answer:@Afos22: Some people have teeth more prone to staining, and all the brushing in the world won't help if you love coffee, tea or wine. You're a super helpful person. @sfgal: I have tried them, I ... the impression they didn't work as well. They were fine, but not as good as I would have liked.