What is a nonrotating device that produces alternating current?

What is a nonrotating device that produces alternating  current?
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1 Answer

Answer :

Oscillator.
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Related questions

What is the device called that will separate alternating current from direct current, or that will separate alternating current of one frequency from other alternating currents of different frequencies?

Description : What is the device called that will separate alternating current from direct current, or that will separate alternating current of one frequency from other alternating currents of different frequencies?

Last Answer : A filter.

Define alternating current.

Description : Define alternating current.

Last Answer : An electrical current which is constantly varying in amplitude, and which changes direction at regular intervals.

How would the compass react if the alternating current through the conductor was a high frequency?

Description : How would the compass react if the alternating current through the conductor was a high frequency?

Last Answer : The compass needle would vibrate rapidly around the zero current point ac meter (magnetic north).

How would a compass react when placed close to a conductor carrying alternating current at a low frequency?

Description : How would a compass react when placed close to a conductor carrying alternating current at a low frequency?

Last Answer : The compass needle would swing back and forth as the current changed from positive to negative.

What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

Description : What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

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A device used in an electrical circuit to change alternating current to direct current, is known as a _____________. A. current transformer B. rectifier C. condenser D. shunt

Description : A device used in an electrical circuit to change alternating current to direct current, is known as a _____________. A. current transformer B. rectifier C. condenser D. shunt

Last Answer : Answer: B

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What semiconductor device produces electrical energy when exposed to light?

Description : What semiconductor device produces electrical energy when exposed to light?

Last Answer : Photovoltaic cell.

A thermocouple is a device that produces voltage by what method?

Description : A thermocouple is a device that produces voltage by what method?

Last Answer : Heat.

If the alternating source in Q41 is changed to 200 volts peak-to-peak, what is Iavg?

Description : If the alternating source in Q41 is changed to 200 volts peak-to-peak, what is Iavg?

Last Answer : Iavg = 0.636 × Imax = 1.41 amperes.

What is the name of the device that provides an increase in current, voltage, or power of a signal without appreciably altering the original signal?

Description : What is the name of the device that provides an increase in current, voltage, or power of a signal without appreciably altering the original signal?

Last Answer : Amplifier.

What type of device is used to extend the current measuring capability of electrodynamic wattmeters?

Description : What type of device is used to extend the current measuring capability of electrodynamic wattmeters?

Last Answer : Current transformers.

What is the difference between alternating current and direct current?

Description : What is the difference between alternating current and direct current?

Last Answer : Direct current is a constant flow of electrons in one direction. Alternating current means that the current moves back and forth and transfers the electricity that way. DC is typically used with battery power and AC is used for long distance electricity transportation.

3. Which sources produce alternating current? -Physics-10

Description : 3. Which sources produce alternating current? -Physics-10

Last Answer : Power plants and AC generators are some of the sources that produce alternating current.

What is Alternating Current ( AC) ?

Description : What is Alternating Current ( AC) ?

Last Answer : An alternating current is a current that changes direction as it flows and its value changes every moment . We can get alternating current from alternators.

What is Alternating Current ?

Description : What is Alternating Current ?

Last Answer : An alternating current is a current that changes direction as it flows, and its value changes every moment.

A sinusoidally alternating current of frequency 60 Hz has a maximum value of 15 A. Find the value of current after 1/200 second

Description : A sinusoidally alternating current of frequency 60 Hz has a maximum value of 15 A. Find the value of current after 1/200 second

Last Answer : A sinusoidally alternating current of frequency 60 Hz has a maximum value of 15 A. Find the value of current after 1/200 second

Which of the following statements about continuous cardiac output monitoring are true? A. Continuous cardiac output monitoring may unmask events not detected by intermittent cardiac output measurements. B. Continuous cardiac output monitoring by the thermodilution method requires continuous infusion of fluid injectate at a constant rate and temperature. C. The major advantage of the Fick method over the thermodilution method of calculating cardiac output is that it is noninvasive, requiring only the determination of oxygen consumption by respiratory gas analysis. D. The technique of thoracic electrical bioimpedance utilizes sensors to determine stroke volume by detecting changes in resistance to a small, applied alternating current.

Description : Which of the following statements about continuous cardiac output monitoring are true? A. Continuous cardiac output monitoring may unmask events not detected by intermittent cardiac output measurements. ... stroke volume by detecting changes in resistance to a small, applied alternating current.

Last Answer : Answer: AD DISCUSSION: Various techniques are available to measure cardiac output continuously. The advantages of continuous cardiac output monitoring, as compared with intermittent methods, are (1) ... function of the stroke volume, which then can be used to calculate the cardiac output

The method of magnetization is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it

Description : The method of magnetization is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it

Last Answer : (1) hammering a magnet Explanation: Hammering a rod will either allow it to become slightly magnetic inlaid along a magnetic field (i.e.North - South) or demagnetize it if laid across the field lines (i.e. East-West). A current passing through a coil will produce a magnetic field.

Rectifiers are used to convert - (1) Direct current to Alternating current (2) Alternating current to Direct current (3) high voltage to low voltage (4) low voltage to high voltage

Description : Rectifiers are used to convert - (1) Direct current to Alternating current (2) Alternating current to Direct current (3) high voltage to low voltage (4) low voltage to high voltage

Last Answer : (2) Alternating current to Direct current Explanation: Converting DC power from one voltage to another is much more complicated. One method of DC-to-DC conversion first converts power to AC (using a ... inverter), then uses a transformer to change the voltage, and finally rectifies power back to DC.

Rectifiers are used to convert - (1) Direct current to Alternating current (2) Alternating current to Direct current (3) high voltage to low voltage (4) low voltage to high voltage

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Last Answer : (2) Alternating current to Direct current Explanation: Converting DC power from one voltage to another is much more complicated. One method of DC-to-DC conversion first converts power to AC (using a ... inverter), then uses a transformer to change the voltage, and finally rectifies power back to DC.

Alternating current is converted into direct current by a – (1) Transformer (2) Dynamo (3) Oscillator (4) Rectifier

Description : Alternating current is converted into direct current by a – (1) Transformer (2) Dynamo (3) Oscillator (4) Rectifier

Last Answer : (4) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.

Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Description : Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Last Answer : Answer: D

When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Description : When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Last Answer : Answer: B

In an alternating current electrical system, a low system power factor is a direct sign of _____________. A. wasted energy B. efficient operation C. a short in the exciter field windings D. an excessive number of minor system grounds

Description : In an alternating current electrical system, a low system power factor is a direct sign of _____________. A. wasted energy B. efficient operation C. a short in the exciter field windings D. an excessive number of minor system grounds

Last Answer : Answer: A

Current flowing in only one direction is called ___________. A. alternating current B. omnidirectional current C. direct current D. sinusoidal current

Description : Current flowing in only one direction is called ___________. A. alternating current B. omnidirectional current C. direct current D. sinusoidal current

Last Answer : Answer: C

If many turns of an alternating current coil for a contactor become short circuited, the coil _____________. A. will continue to operate B. will probably burn out immediately C. will operate on reduced current D. temperature will drop

Description : If many turns of an alternating current coil for a contactor become short circuited, the coil _____________. A. will continue to operate B. will probably burn out immediately C. will operate on reduced current D. temperature will drop

Last Answer : Answer: B

Which of the following statements concerning AC circuits is correct? A. The power factor of a resistive circuit is always zero. B. True power in an inductive circuit always equals apparent power. C. Inductive reactance varies directly with the frequency and the inductance. D. Total opposition to the flow of alternating current depends upon the amount of reactive power.

Description : Which of the following statements concerning AC circuits is correct? A. The power factor of a resistive circuit is always zero. B. True power in an inductive circuit always equals apparent power. ... . D. Total opposition to the flow of alternating current depends upon the amount of reactive power.

Last Answer : Answer: C

Which of the listed devices may be installed on a large diesel-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. A CO2 fire extinguishing system. C. Electric space heaters to prevent condensation of moisture. D. All of the above.

Description : Which of the listed devices may be installed on a large diesel-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. ... . C. Electric space heaters to prevent condensation of moisture. D. All of the above.

Last Answer : Answer: D

If many turns of an alternating current coil for a contactor become short circuited, the coil _____________. A. temperature will drop B. will probably burn out immediately C. will continue to operate D. will operate on reduced current

Description : If many turns of an alternating current coil for a contactor become short circuited, the coil _____________. A. temperature will drop B. will probably burn out immediately C. will continue to operate D. will operate on reduced current

Last Answer : Answer: B

Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions? A. Current and voltage may be in phase. B. Current may lead the voltage. C. Current may lag the voltage. D. All of the above.

Description : Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions? A. Current and voltage may be in phase. B. Current may lead the voltage. C. Current may lag the voltage. D. All of the above.

Last Answer : Answer: D

The charge of a lead-acid battery can be restored by ______. A. passing an alternating electric current through the cell B. passing a direct electric current through the cell C. adding acid to the electrolyte D. all of the above

Description : The charge of a lead-acid battery can be restored by ______. A. passing an alternating electric current through the cell B. passing a direct electric current through the cell C. adding acid to the electrolyte D. all of the above

Last Answer : Answer: B

Which of the following components are used to convert alternating current produced in the generator windings to direct current? A. Armature and equalizer B. Commutator and brushes C. Rotor and interpoles D. Field and exciter

Description : Which of the following components are used to convert alternating current produced in the generator windings to direct current? A. Armature and equalizer B. Commutator and brushes C. Rotor and interpoles D. Field and exciter

Last Answer : Answer: B

Alternating current circuits develop resistance, inductance, and capacitance. The capacitance of individual capacitors is expressed in _____________. A. ohms B. mhos C. henrys D. farads

Description : Alternating current circuits develop resistance, inductance, and capacitance. The capacitance of individual capacitors is expressed in _____________. A. ohms B. mhos C. henrys D. farads

Last Answer : Answer: D

Alternating current circuits develop resistance, inductance and capacitance. The inductance of a coil is expressed in _____________. A. ohms B. mhos C. henrys D. farads

Description : Alternating current circuits develop resistance, inductance and capacitance. The inductance of a coil is expressed in _____________. A. ohms B. mhos C. henrys D. farads

Last Answer : Answer: C

The purpose of the commutator and brushes on a DC generator is to _____________. A. transfer generated direct current voltage from the armature to the line B. convert the alternating voltage generated within the armature to a direct voltage C. provide a sliding contact method to excite the field D. reduce sparking between the armature and the carbon brushes

Description : The purpose of the commutator and brushes on a DC generator is to _____________. A. transfer generated direct current voltage from the armature to the line B. convert the alternating voltage ... contact method to excite the field D. reduce sparking between the armature and the carbon brushes

Last Answer : Answer: B

The use of four diodes, in a full-wave bridge rectifier circuit, will __________. A. provide unidirectional current to the load B. allow a very high leakage current from the load C. convert direct current to alternating current D. offer high opposition to current in two directions

Description : The use of four diodes, in a full-wave bridge rectifier circuit, will __________. A. provide unidirectional current to the load B. allow a very high leakage current from the load C. convert direct current to alternating current D. offer high opposition to current in two directions

Last Answer : Answer: A

Which of the listed devices may be installed on a large turbo-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. A CO2 fire extinguishing system. C. Electric space heaters to prevent condensation of moisture. D. All of the above.

Description : Which of the listed devices may be installed on a large turbo-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. A ... . C. Electric space heaters to prevent condensation of moisture. D. All of the above.

Last Answer : Answer: D

Alternating current is converted into direct current by using –

Description : Alternating current is converted into direct current by using –

Last Answer : Rectifier

A cottrell precipitator makes use of the __________ for dusty air cleaning. (A) Electric spark (B) Corona discharge (C) Alternating current

Description : A cottrell precipitator makes use of the __________ for dusty air cleaning. (A) Electric spark (B) Corona discharge (C) Alternating current

Last Answer : (B) Corona discharge

Mention the uses of alternating current.

Description : Mention the uses of alternating current.

Last Answer : 1. Alternating current is used in domestic appliances like lamps, heaters, fans, ovens, radio etc. 2. It is used to produce required frequency of radio waves for radio and T.V transmission ... communication. 4. It is used to produce ultrasonic waves used in industries, ultrasound scanning and SONAR.

Graph of alternating current is a A. cos wave B. tan wave C. curve D. sine wave

Description : Graph of alternating current is a A. cos wave B. tan wave C. curve D. sine wave

Last Answer : sine wave

In transformer, alternating current is induced inA. primary coilB. secondary coilC. iron coreD. resistor

Description : In transformer, alternating current is induced inA. primary coil B. secondary coil C. iron core D. resistor

Last Answer : primary coil

What is Alternating Current?

Description : What is Alternating Current? 

Last Answer : Continually changing amount and direction of the current and voltage is called alternating current (AC). The components of an ac circuit causes a time period to be introduced between current and voltage; that is, current and voltage are out of phase. 

Define AC (Alternating current).

Description : Define AC (Alternating current).

Last Answer : Alternating current is that type of electric current, which changes it’s magnetude and direction periodically.

Alternating current measured in a transmission line will be a) Peak value b) Average value c) RMS value d) Zero

Description : Alternating current measured in a transmission line will be a) Peak value b) Average value c) RMS value d) Zero

Last Answer : c) RMS value

A cable carrying alternating current has (a) hysteresis losses only (b) hysteresis and leakage losses only (c) hysteresis, leakage and copper losses only (d) hysteresis, leakage, copper and friction losses

Description : A cable carrying alternating current has (a) hysteresis losses only (b) hysteresis and leakage losses only (c) hysteresis, leakage and copper losses only (d) hysteresis, leakage, copper and friction losses

Last Answer : (b) hysteresis and leakage losses only

What is alternating current?

Description : What is alternating current?

Last Answer : Bi-directional flow of current in a sinusoidal form with a positive and negative peak.

Alternating current generator converts.......... energy into electrical energy? a. mechanical energy b. chemical energy c. solar energy d. potential energy

Description : Alternating current generator converts.......... energy into electrical energy? a. mechanical energy b. chemical energy c. solar energy d. potential energy

Last Answer : a. mechanical energy

The Principle of an alternating current generator is based on: a. Coulomb’s law b. Ampere’s law c. Faraday’s law d. Lenz’s law

Description : The Principle of an alternating current generator is based on: a. Coulomb’s law b. Ampere’s law c. Faraday’s law d. Lenz’s law

Last Answer : a. Coulomb’s law