What meters operate from their own power sources?

What meters operate from their own power sources?
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Self-excited.
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Related questions

What meters operate from their own power sources?

Description : What meters operate from their own power sources?

Last Answer : Self-excited.

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Description : A station is known to operate at 60-meters. What is the frequency of the unknown station?

Last Answer : 5 megahertz.

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Description : What is the advantage of using in-line wattmeters over output power meters?

Last Answer : Most in-line wattmeters are capable of measuring both forward and reflected power.

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Description : Which semiconductor sources (LD or LED) emit more focused light and are capable of launching sufficient optical power into both single mode and multimode fibers?

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Description : Compare the power sources of synchros and step transmission systems.

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Description : Shunt, series, and compound wound motors, are all DC motors designed to operate from _____________. A. constant potential, variable current DC sources B. variable potential, constant current DC ... C. variable potential, variable current DC sources D. constant potential, constant current DC sources

Last Answer : Answer: A

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Description : If the fuse shown on the schematic (figure 3-10) opens, what lights will operate?

Last Answer : Only the brake lights.

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Description : If the ignition switch is placed in the ON position and all the engine instruments operate properly except the gas gauge, where would the fault probably be?

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Description : Is it possible for a transmission line to operate improperly at certain frequencies and properly at others?

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Description : Which type of optical source tends to operate at higher drive currents to produce light?

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Last Answer : Longer distances and higher bandwidths are possible because fiber material losses and dispersion are significantly reduced at the 1300-nm region.

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Last Answer : 10 to 50 degrees Celsius or 50 to 120 degrees Fahrenheit.

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Description : A two-cavity klystron without a feedback path will operate as what type of circuit?

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Description : Vacuum tubes are designed to operate in what portion of the Ep - Ip

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Description : Most Navy tty sets operate at what speeds?

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Description : In reference to dB meters, 0 dBm represents 1 milliwatt into what value of load?

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Description : What are two types of frequency meters?

Last Answer : Vibrating reed and moving disk.

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Description : Why is a multimeter preferred over separate meters?

Last Answer : It is much more convenient to have one meter with several functions than several meters each with a single function.

Why is in-circuit meters used?

Description : Why is in-circuit meters used?

Last Answer : In-circuit meters are used to monitor the operation of electrical or electronic devices.

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Description : What two types of meters can be used to check a switch?

Last Answer : An ohmmeter and a voltmeter.

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Last Answer : Man-made.

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Last Answer : Natural.

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Description : What are the two main sources of emi with which radio waves must compete?

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Description : Which types of LEDs are the preferred optical sources for short-distance, low-data-rate fiber optic systems?

Last Answer : SLEDs and ELEDs.

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Description : What are four sources that can cause magnetic heads to become magnetized?

Last Answer : a. During ac power losses. b. During testing. c. Because of stray magnetic fields. d. From normal use.

Microbend loss is caused by microscopic bends of the fiber axis. List three sources of microbend loss.

Description : Microbend loss is caused by microscopic bends of the fiber axis. List three sources of microbend loss.

Last Answer : Uneven coating applications, improper cabling procedures, and external force.

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Description : Do you own and operate an online business?

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Description : Do I need a special kind of license to own and operate a truck with an aerial bucket?

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Description : Organisms that practice heterotrophy are able to synthesize their own food from _____. a. light b. simple carbon sources c. carbon monoxide d. oxygen gas

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Description : Sources of researchable problems can include: a. Researchers’ own experiences as educators b. Practical issues that require solutions c. Theory and past research d. All of the above

Last Answer : d. All of the above

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Description : Do all PLCs have to have power to operate?

Last Answer : What is the answer ?

How does an uninterruptible power supply operate?

Description : How does an uninterruptible power supply operate?

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The winch shown in the illustration will not operate in any speed in the lowering direction and at an abnormal speed in 'first point hoist'. The possible cause is that _______________. EL-0102 A. contactor coil '3M' has many shorted turns B. resistor 'R8-A2' has an open C. contacts '1M' in the power circuit are badly corroded D. master switch contacts 'MS6' have weak springs

Description : The winch shown in the illustration will not operate in any speed in the lowering direction and at an abnormal speed in 'first point hoist'. The possible cause is that _______________. EL-0102 A. ... '1M' in the power circuit are badly corroded D. master switch contacts 'MS6' have weak springs

Last Answer : Answer: B

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Description : Why is it desirable to operate paralleled AC generators at the same power factor? A. Circulating currents are kept to a minimum. B. Field excitation losses are kept to a minimum. C. Generator ... will have a lesser tendency to hunt. D. Because a power factor increase will decrease kilowatt output.

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Power necessary to operate the horn relay shown in the illustration ____________. EL-0093 A. comes from each station's magneto B. is supplied from a 115 volt source C. is conducted through the relay's contacts D. also lights lamps 'R' and 'T'

Description : Power necessary to operate the horn relay shown in the illustration ____________. EL-0093 A. comes from each station's magneto B. is supplied from a 115 volt source C. is conducted through the relay's contacts D. also lights lamps 'R' and 'T'

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Power necessary to operate the horn shown in the illustration _____________. EL-0093 A. comes from each station's magneto B. is supplied from a 115 volt source C. is conducted through a relay coil D. also lights lamps 'R' and 'T'

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Which of the following statements is true concerning all three-phase alternators? A. Each has three separate but identical armature windings acted on by one system of rotating magnets. B. Each has one armature winding acted on by three identical but separate systems of rotating magnets. C. All three-phase alternators are designed to operate with a 0.8 leading power factor. D. The three phases always provide power to the load through three sets of slip rings and brushes.

Description : Which of the following statements is true concerning all three-phase alternators? A. Each has three separate but identical armature windings acted on by one system of rotating magnets. B. Each has one ... The three phases always provide power to the load through three sets of slip rings and brushes.

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The purpose of the capacitor within component 'B' of the circuit shown in the illustration is to ____________. EL-0081 A. prolong the life of the component's contacts B. discharge the neon within the envelope C. counteract the inductive reactance in the circuit D. store power to operate the circuit should 'D' open

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With regard to the physics of power systems used operate robots, which statement or statements are most correct? a) hydraulics involves the compression of liquids b) hydraulics involves the compression of air c) pneumatics involve the compression of air d) chemical batteries produce AC power

Description : With regard to the physics of power systems used operate robots, which statement or statements are most correct? a) hydraulics involves the compression of liquids b) hydraulics involves the compression of air c) pneumatics involve the compression of air d) chemical batteries produce AC power

Last Answer : c) pneumatics involve the compression of air

With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Description : With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Last Answer : C : pneumatic involves the compression of air

With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Description : With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Last Answer : C : pneumatic involves the compression of air

With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Description : With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Last Answer : C : pneumatic involves the compression of air

With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Description : With regard to the physics of power systems used operate robots, which statement or statements are most correct? A : hydraulics involves the compression of liquids B : hydraulics involves the compression of air C : pneumatic involves the compression of air D : chemical batteries produce AC power

Last Answer : C : pneumatic involves the compression of air

Power tillers operate most satisfactory with? 1. Rotary tillage 2. Plough 3. Transport carts 4. reapers

Description : Power tillers operate most satisfactory with? 1. Rotary tillage 2. Plough 3. Transport carts 4. reapers

Last Answer : ans 1

Which component of seed drill is used for transmit power to operate seed dropping mechanism. a) Frame b) Transport wheel c) Seed box d) Covering device

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Last Answer : Transport wheel

Power tillage operate most satisfactory with A. Rotary tillage B. Plough C. Transport carts D. Reapers

Description : Power tillage operate most satisfactory with A. Rotary tillage B. Plough C. Transport carts D. Reapers

Last Answer : Rotary tillage

Power tillers operate most satisfactory with? A. Rotary tillage C. Plough B. Transport carts D. Reapers

Description : Power tillers operate most satisfactory with? A. Rotary tillage C. Plough B. Transport carts D. Reapers

Last Answer : Rotary tillage