What electrical property is used by all the meter movements discussed so far?

What electrical property is used by all the meter  movements discussed so far?
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Current.
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Related questions

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Description : List three meter movements that can measure either ac or dc without the use of a rectifier.

Last Answer : Electrodynamic, moving vane, and hot-wire or thermocouple.

Which of the splices discussed is NOT a butted splice? for noninsulated splices and terminal lugs?

Description : Which of the splices discussed is NOT a butted splice? for noninsulated splices and terminal lugs?

Last Answer : Spaghetti or heat-shrinkable tubing.

In the basic transistor amplifier discussed earlier, what is the relationship between the polarity of the input and output signals?

Description : In the basic transistor amplifier discussed earlier, what is the relationship between the polarity of the input and output signals?

Last Answer : The signals are opposite in polarity or 180 degrees out of phase with each other.

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Description : Name the two types of monolithic IC construction discussed.

Last Answer : Diffusion; epitaxial growth

What are the tuning modes for the coupler group discussed?

Description : What are the tuning modes for the coupler group discussed?

Last Answer : Automatic, semiautomatic, and manual.

If the rf amplifier discussed has an 80 milliwatt input, what would be the maximum output?

Description : If the rf amplifier discussed has an 80 milliwatt input, what would be the maximum output?

Last Answer : 800 watts.

What are the three examples of metallic armor cable that were discussed?

Description : What are the three examples of metallic armor cable that were discussed?

Last Answer : Wire braid, steel tape, and wire armor

What electrical quantity is measured by a watt-hour meter?

Description : What electrical quantity is measured by a watt-hour meter?

Last Answer : Energy.

The varactor displays what useful electrical property?

Description : The varactor displays what useful electrical property?

Last Answer : Variable capacitance.

What electrical property does an ammeter measure?

Description : What electrical property does an ammeter measure?

Last Answer : Current.

Which of the following electric meter movements uses a stationary permanent magnet and movable coil? A. D'Arsonval B. Electrodynamometer C. Moving iron-vane D. Inclined coil iron-vane

Description : Which of the following electric meter movements uses a stationary permanent magnet and movable coil? A. D'Arsonval B. Electrodynamometer C. Moving iron-vane D. Inclined coil iron-vane

Last Answer : Answer: A

A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value B. deflect to zero and remain at that position C. swing to a high reading and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Description : A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value ... and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Last Answer : Answer: B

Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display

Description : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display

Last Answer : B. Actuators 

The piament involved in red - far red light interconversion is Or The pigm,ent involved in photomorphogenetic movements is Or Pigment involved in phot

Description : The piament involved in red - far red light interconversion is Or The pigm,ent involved in photomorphogenetic movements is Or Pigment involved in phot

Last Answer : The piament involved in red - far red light interconversion is Or The pigm,ent involved in ... Carotene B. Phytochrome C. Cytochrome D. Lycopene

A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Description : A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to ... lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Last Answer : a. Minimizing the duration of eye rests and making as many eye movements as possible

A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

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Last Answer : a. Minimizing the duration of eye rests and making as many eye movements as possible

What happens when a frequency meter is adjusted to the frequency of the signal being measured?

Description : What happens when a frequency meter is adjusted to the frequency of the signal being measured?

Last Answer : Power is absorbed by the frequency meter cavity; and a pronounced dip in power, at the output, will be observed.

What is the main difference between a vu and a dB meter?

Description : What is the main difference between a vu and a dB meter?

Last Answer : DB meters are used for measuring sine waves. Vu meters are used to measure the average value of complex waveforms.

In a heterodyne-type frequency meter, what is the difference between the oscillator frequency and the unknown frequency?

Description : In a heterodyne-type frequency meter, what is the difference between the oscillator frequency and the unknown frequency?

Last Answer : Beat frequency.

When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Description : When is an optical power meter measurement recommended for conducting field measurements on installed optical fiber cables or cable plants?

Last Answer : When an installed optical fiber cable or cable plant is less than 50 meters in length.

Why will a meter indicate more voltage at the battery terminal when the battery is out of a circuit than when the battery is in a circuit?

Description : Why will a meter indicate more voltage at the battery terminal when the battery is out of a circuit than when the battery is in a circuit?

Last Answer : The internal (source) resistance of the battery will drop some of the voltage

What condition produces the 10-kHz error signal generated by the metering bridge in the HP- 431C power meter?

Description : What condition produces the 10-kHz error signal generated by the metering bridge in the HP- 431C power meter?

Last Answer : An unbalance in the metering bridge.

Besides setting up the meter for expected voltage ranges, what must be strictly observed when taking dc voltage readings?

Description : Besides setting up the meter for expected voltage ranges, what must be strictly observed when taking dc voltage readings?

Last Answer : Polarit

What type of frequency meter is shown and what is the value indicated for each meter in figure 1-52?

Description : What type of frequency meter is shown and what is the value indicated for each meter in figure 1-52?

Last Answer : A) Vibrating-reed, 60Hz. (B) Moving-disk, 58 Hz.

What type of meter is shown and what is the value of the quantity being measured for each meter in figure 1-51?

Description : What type of meter is shown and what is the value of the quantity being measured for each meter in figure 1-51?

Last Answer : (A) Megger (megohmmeter), infinity; (B) Wattmeter, 9.5 kilowatts (9,500 watts). (C) Watt-hour meter, 2.693 megawatt-hours 2,693 kilowatt-hours) (2,693,000 watt-hours).

What meter reading is shown on each multimeter in each part of figure 1-50?

Description : What meter reading is shown on each multimeter in each part of figure 1-50?

Last Answer : (A) 410 mA dc; (B) 3.9 mA ac; (C) -22 V dc; (D) 600 V ac; (E) 1.4 V ac; (F) 1.9 kohms

What type of meter is shown and what is the value of the quantity being measured for each meter in figure1-49?

Description : What type of meter is shown and what is the value of the quantity being measured for each meter in figure1-49?

Last Answer : a. A dc ammeter, 90 mA dc b. A dc voltmeter, 200 V dc c. An ac voltmeter, 4.6 V ac d. An ohmmeter, 400 ohms

What is the quantity shown on the watt-hour meter in figure 1-46?

Description : What is the quantity shown on the watt-hour meter in figure 1-46?

Last Answer : 5.945 megawatt-hours, or 5,945 kilowatt-hours, or 5,945, 000 watt-hours.

What is the only use for the voltage sensitive meter movement?

Description : What is the only use for the voltage sensitive meter movement?

Last Answer : High-voltage measurement.

What type of meter movement reacts to voltage rather than current?

Description : What type of meter movement reacts to voltage rather than current?

Last Answer : Electrostatic.

How is it possible to use a current sensitive meter movement to measure voltage?

Description : How is it possible to use a current sensitive meter movement to measure voltage?

Last Answer : Since the resistance of a meter movement remains the same as the pointer is deflected, the amount of current through the movement is proportional to the voltage applied. Therefore, only the scale of the movement must be changed.

What value is indicated on the scale of an ac meter?

Description : What value is indicated on the scale of an ac meter?

Last Answer : Effective value (rms).

What value does a meter movement react to (actually measure) when measuring ac?

Description : What value does a meter movement react to (actually measure) when measuring ac?

Last Answer : Average value.

What are two methods used to damp a meter movement?

Description : What are two methods used to damp a meter movement?

Last Answer : As the coil moves through the field of the permanent magnet, a current is induced in the coil opposing the movement of the coil; and a vane can be attached to the coil and placed in the airtight chamber so that the movement of the vane opposes the movement of the coil.

How can a d’Arsonval meter movement be adapted for use as an ac meter?

Description : How can a d’Arsonval meter movement be adapted for use as an ac meter?

Last Answer : By the use of a rectifier

What is the purpose of a rectifier in a meter?

Description : What is the purpose of a rectifier in a meter?

Last Answer : A rectifier changes alternating current to pulsating direct current and allows a dc meter to measure ac.

What are three functions of the hairsprings in a d’Arsonval meter movement?

Description : What are three functions of the hairsprings in a d’Arsonval meter movement?

Last Answer : To return the pointer to its rest position when there is no current flow; to oppose the coil movement when there is current flow; to provide electrical connections for the coil.

What is the effect of current flow through the coil in a d’Arsonval meter movement?

Description : What is the effect of current flow through the coil in a d’Arsonval meter movement?

Last Answer : A magnetic field is generated around the coil and the attraction of this field with the permanent magnet causes the coil to move

What type of meter movement is the d’Arsonval meter movement?

Description : What type of meter movement is the d’Arsonval meter movement?

Last Answer : A permanent-magnet moving-coil meter movement used in most electrical and electronic meters.

What is one advantage of an out-of-circuit meter when it is compared with an in-circuit meter?

Description : What is one advantage of an out-of-circuit meter when it is compared with an in-circuit meter?

Last Answer : Out-of-circuit meters can be used on more than one electrical or electronic device.

If a switch must be checked with power applied, what type of meter is used?

Description : If a switch must be checked with power applied, what type of meter is used?

Last Answer : A voltmeter.

What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?

Description : What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?

Last Answer : The electrodynamometer-type meter can be used to measure both ac and dc currents.

What is the limiting factor as to the amount of current an electrodynamometer meter movement can handle?

Description : What is the limiting factor as to the amount of current an electrodynamometer meter movement can handle?

Last Answer : Size of spiral conducting.

What components in an electrodynamometer-type meter movement produce the magnetic field?

Description : What components in an electrodynamometer-type meter movement produce the magnetic field?

Last Answer : Fixed coils.

What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?

Description : What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?

Last Answer : The electrodynamometer-type meter can be used to measure both ac and dc currents.

What is the limiting factor as to the amount of current an electrodynamometer meter movement can handle?

Description : What is the limiting factor as to the amount of current an electrodynamometer meter movement can handle?

Last Answer : Size of spiral conducting.

What components in an electrodynamometer-type meter movement produce the magnetic field?

Description : What components in an electrodynamometer-type meter movement produce the magnetic field?

Last Answer : Fixed coils.

What modification is made to the D’Arsonval meter movement to enable the meter to measure voltage?

Description : What modification is made to the D’Arsonval meter movement to enable the meter to measure voltage?

Last Answer : A multimeter (high resistance) is placed in series with the coil of the meter.

What condition exists when the insertion of a meter into a circuit changes the operation of the circuit?

Description : What condition exists when the insertion of a meter into a circuit changes the operation of the circuit?

Last Answer : Meter-loading.

(True or False) The larger the current required to produce full-scale deflection of the meter coil, the better the sensitivity of the meter.

Description : (True or False) The larger the current required to produce full-scale deflection of the meter coil, the better the sensitivity of the meter.

Last Answer : False.