A thermistor is a type of?

A thermistor is a type of?

A.switch

B.resistor

C.battery

D.power supply
by

1 Answer

Answer :

A thermistor is a type of?

A.switch

B.resistor

C.battery

D.power supply

by

Related questions

A thermistor has?

Description :  A thermistor has?

Last Answer :  A thermistor has zero temperature coefficient.

Thermistor What ?

Last Answer : Thermistor Hall Thermal Resistor. Thermistor The word Comes from Thermally Sensitive Resistor . We I know All Resistors Of temperature Of change With With Resistance Quality Change By But General Resistor In ... Is Like Per Degree Temperature Of change For 100 ohms Or Of More Resistance Change Is.

Why 0.04 micro farad capacitor is used in a thermistor based fire alarm?

Description : Why 0.04 micro farad capacitor is used in a thermistor based fire alarm?

Last Answer : Need answer

Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Description : Which of the listed devices may be used as a digital device? A. variable resistor B. diode C. strain gauge D. thermistor

Last Answer : Answer: B

A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Description : A semiconductor that decreases in resistance with an increase in temperature is known as a _____________. A. resistor B. thermistor C. diode D. thermopile

Last Answer : Answer: B

What is Thermistor:

Description : What is Thermistor:

Last Answer : Thermistor: A type of an electrical device/A semiconductor, which regulates the current flow under the influence of heat. Used in sensitive heat measuring/operative devices e.g thermocouples/ers

Graph of resistance of thermistor to temperature is A. exponential decrease B. linear decreaseC. exponential increaseD. linear increase

Description : Graph of resistance of thermistor to temperature is A. exponential decrease B. linear decrease C. exponential increase D. linear increase

Last Answer : exponential decrease

When temperature rises, resistance of negative temperature coefficient thermistor A. increases B. decreases C. zero D. infinity

Description : When temperature rises, resistance of negative temperature coefficient thermistor A. increases B. decreases C. zero D. infinity

Last Answer : decreases

A sensing device is also called A. transistor B. thermistor C. sensor D. transducer

Description : A sensing device is also called A. transistor B. thermistor C. sensor D. transducerp

Last Answer : transducer

As the dissipated power increases, what effect does this have on the resistance of a thermistor?

Description : As the dissipated power increases, what effect does this have on the resistance of a thermistor?

Last Answer : . It increases.

A sensor which changes light intensity into electric voltage. (a) LDR (b) thermistor (c) photodiode (d) photovoltaic

Description : A sensor which changes light intensity into electric voltage. (a) LDR (b) thermistor (c) photodiode (d) photovoltaic

Last Answer : (a) LDR

Thermistor with high negative temperature coefficient are very accurate for measuring low temperature especially near is a. 10 K b. 70K c. 200K d. 35K

Description : Thermistor with high negative temperature coefficient are very accurate for measuring low temperature especially near is a. 10 K b. 70K c. 200K d. 35K

Last Answer : c. 200K

Compare thermistor and thermocouple.

Description : Compare thermistor and thermocouple.

Last Answer : Sr.No. Parameter Thermistor Thermocouple 1 Materials Metal oxides Two dissimilar metals 2 Response Nonlinear Linear 3 Range of temperature -1500C ... passive Passive active 6 Transduction principle Resistive transducer Thermo electric effect

Explain working of thermistor. State any two applications of thermistor.

Description : Explain working of thermistor. State any two applications of thermistor.

Last Answer : Thermistor is a temperature sensor for electrical measurement of temperature. Its principle is based on the variation of semiconductor resistance with temperature. It is made up of ... measuring and controlling the temperature such as Toasters, coffee makers, refrigerators, freezers etc

Describe the instrumentation system used for temperature measurement using thermistor.

Description : Describe the instrumentation system used for temperature measurement using thermistor.

Last Answer : A thermistor is a type of resistor whose resistance is dependent on temperature. Thermistors are of two opposite fundamental types: With NTC, resistance Decreases with temperature to ... converted to Digital by ADC further given to multiplexer, then output is displayed on computer. 

Compare NTC and PTC thermistor

Description : Compare NTC and PTC thermistor

Last Answer : NTC Thermistor PTC Thermistor NTC Thermistor means Negative temperature Coefficient  PTC Thermistor means Positive temperature Coefficient NTC means resistance of thermistor Decreases as ... are nonlinear in nature. PTC Thermistor are comparatively linear in nature. 

Compare RTD and Thermistor

Description : Compare RTD and Thermistor

Last Answer : RTD Thermistor Made of metals which are good conductors of electricity e.g. copper, platinum Nickel Made of metallic oxides such as cobalt, manganese, nickel etc. Positive temperature coefficient ... small in size. Cost is high  They are not costlier as compared to RTD

Compare RTD and thermistor on the basis of temperature coefficient , linearity, temperature range and cost.

Description : Compare RTD and thermistor on the basis of temperature coefficient , linearity, temperature range and cost.

Last Answer : Parameters RTD Thermistors Temperature coefficient  It has positive temperature Coefficient (PTC) of Resistance. It has both positive and negative temperature Coefficient (PTC and NTC) of Resistance. ... -270oC to 2800oC -150oC to 300oC Cost High cost Low cost

Compare thermo- couple and thermistor.

Description : Compare thermo- couple and thermistor.

Last Answer : Parameter Thermocouple Thermistor Materials Two dissimilar metals  Metal oxides Response Linear Nonlinear Range of temperature -200 0C to 2000 0C -1500C ... or passive Active Passive Transduction principle Thermo electric effect  Resistive transducer

Thermocouples are_____ transducer whereas thermistor are_____ transducer.

Description :  Thermocouples are_____ transducer whereas thermistor are_____ transducer. a) passive, active b) active, passive c) active, active d) passive, passive

Last Answer :  Thermocouples are active transducer whereas thermistor are active transducer. 

A thermistor is generally a semiconductor material exhibits:

Description : A thermistor is generally a semiconductor material exhibits: a) Positive Temperature co -efficient b) Negative Temperature co -efficient c) Neither positive nor negative temperature co -efficient d) both (a) and (b)

Last Answer : A thermistor is generally a semiconductor material exhibits: a) Positive Temperature co -efficient b) Negative Temperature co -efficient c) Neither positive nor negative temperature co -efficient d) both (a) and (b)

Inductance

Description : Inductance

Last Answer : Inductance

Resistance

Description : Resistance

Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

For one ac cycles .. alternator needs to rotate??

Description : please answer

Last Answer : 360 degree . 180 Degree Positive and 180 degree negative

An ideal power supply consist of

Description : An ideal power supply consist of   (A) Very small output resistance (B) Zero Internal resistance (C) Very large input resistance (D) Very large output resistance

Last Answer : An ideal power supply consist of Zero Internal resistance 

When a sine wave has a frequency of 100 Hz in 12 s it goes through?

Description : When a sine wave has a frequency of 100 Hz in 12 s it goes through? A.1/100 cycle B.12 cycles C.120 cycles D.1,200 cycles

Last Answer : When a sine wave has a frequency of 100 Hz in 12 s it goes through? A.1/100 cycle B.12 cycles C.120 cycles D.1,200 cycles

In order to get maximum power transfer from a capacitive source, the load must?

Description : In order to get maximum power transfer from a capacitive source, the load must? A.have a capacitive reactance equal to circuit resistance B.have an impedance that is the complex conjugate of the source impedance C.be as capacitive as it is inductive D.none of the above

Last Answer : In order to get maximum power transfer from a capacitive source, the load must? A.have a capacitive reactance equal to circuit resistance B.have an impedance that is the complex conjugate of the source impedance C.be as capacitive as it is inductive D.none of the above

Fourteen milliamperes can be expressed as?

Description : Fourteen milliamperes can be expressed as? A.14 MA B.14 μA C.14 kA D.14 mA

Last Answer : Fourteen milliamperes can be expressed as? A.14 MA B.14 μA C.14 kA D.14 mA

How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor?

Description : How much voltage is needed to produce 2.5 A of current through a 200 ohms resistor? A.50 V B.500 V C.80 V D.8 V

Last Answer : 500 V

When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is?

Description : When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is? A.14.4 V B.1.4 V C.100 V D.10 V

Last Answer : When there is 12 mA of current through a 1.2 k ohms resistor, the voltage across the resistor is? A.14.4 V B.1.4 V C.100 V D.10 V

How much resistance is needed to draw 17.6 mA from a 12 volt source?

Description : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

Last Answer : How much resistance is needed to draw 17.6 mA from a 12 volt source? A.212 ohms B.6.8 kohms C.68 ohms D.680 ohms

When placed close together, two positively charged materials will?

Description : When placed close together, two positively charged materials will? A.attract B.become neutral C.become negative D.repel

Last Answer : When placed close together, two positively charged materials will? A.attract B.become neutral C.become negative D.repel

The colored bands for a 4,700 ohm resistor with a ten percent tolerance are?

Description : The colored bands for a 4,700 ohm resistor with a ten percent tolerance are? A.yellow, violet, red, gold B.yellow, violet, orange, gold C.yellow, violet, red, silver D.orange, violet, red, silver

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A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt- hours of

Description : A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt- hours of energy does it consume? A.20.16 kWh B.201.6 kWh C.2.01 kWh D.8.4 kWh

Last Answer : A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt- hours of energy does it consume? A.20.16 kWh B.201.6 kWh C.2.01 kWh D.8.4 kWh

When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is?

Description : When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is? A.12 V B.120 V C.240 V D.2,400 V

Last Answer : When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is? A.12 V B.120 V C.240 V D.2,400 V

In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary

Description : In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is? A.one-fourth the primary current B.four times the primary current C.equal to the primary current D.one-fourth the primary current and equal to the primary current

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In a Y-connected circuit, the magnitude of each line current is?

Description : In a Y-connected circuit, the magnitude of each line current is? A.one-third the phase current B.three times the corresponding phase current C.equal to the corresponding phase current D.zero

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The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330

Description : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Last Answer : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

The turns ratio required to match an 80 ohms source to a 320 ohms load is?

Description : The turns ratio required to match an 80 ohms source to a 320 ohms load is? A.80 B.20 C.4 D.2

Last Answer : c

When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is?

Description : When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is? A.overheated B.shorted C.open D.reversed

Last Answer : When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is? A.overheated B.shorted C.open D.reversed

A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately?

Description : A resistance of 3.3 M ohms is connected across a 500 V source. The resulting current is approximately? A.15.1 μA B.151 μA C.66 mA D.660 mA

Last Answer : A

The formula to find I when the values of V and R are known is?

Description : The formula to find I when the values of V and R are known is? A.I = VR B.I = R/V C.V = IR D.I = V/R

Last Answer : The formula to find I when the values of V and R are known is? A.I = VR B.I = R/V C.V = IR D.I = V/R

When converting 0.16 mA to microamperes, the result is?

Description : When converting 0.16 mA to microamperes, the result is? A.16 μA B.160 μA C.1,600 μA D.0.0016 μA

Last Answer : When converting 0.16 mA to microamperes, the result is? A.16 μA B.160 μA C.1,600 μA D.0.0016 μA

The average value of a 12 V peak sine wave over one complete cycle is?

Description : The average value of a 12 V peak sine wave over one complete cycle is? A.0 V B.1.27 V C.7.64 V D.6.37 V

Last Answer : The average value of a 12 V peak sine wave over one complete cycle is? A.0 V B.1.27 V C.7.64 V D.6.37 V

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor

Description : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Last Answer : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary

Description : A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is? A.0.2 B.0.4 C.5 D.25

Last Answer : A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is? A.0.2 B.0.4 C.5 D.25

If it takes 400 ms to use 12,000 J of energy, the power is?

Description : If it takes 400 ms to use 12,000 J of energy, the power is? A.30 kW B.30 W C.3 W D.300 kW

Last Answer : If it takes 400 ms to use 12,000 J of energy, the power is? A.30 kW B.30 W C.3 W D.300 kW

A material that does not allow current under normal conditions is a(n)?

Description : A material that does not allow current under normal conditions is a(n)? A.insulator B.conductor C.semiconductor D.valence

Last Answer : A material that does not allow current under normal conditions is a(n)? A.insulator B.conductor C.semiconductor D.valence

Current flows in a circuit when?

Description : Current flows in a circuit when? A.a switch is opened B.a switch is closed C.the switch is either open or closed D.there is no voltage

Last Answer : Current flows in a circuit when? A.a switch is opened B.a switch is closed C.the switch is either open or closed D.there is no voltage

Four amperes of current are measured through a 24 ohms resistor connected across a voltage

Description : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V

Last Answer : Four amperes of current are measured through a 24 ohms resistor connected across a voltage source. How much voltage does the source produce? A.960 V B.9.6 V C.96 V D.8 V