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

Why 0.04 micro farad capacitor is used in a thermistor based fire alarm?
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what will be the capacitance if three capacitors connected in parallel each having value of 0.5 micro Farad ?

Description : what will be the capacitance if three capacitors connected in parallel each having value of 0.5 micro Farad ?

Last Answer : the total capacitace when connected in parallel Tc=total capacitor c1=c2=c3=0.5uf Tc=c1+c2+c3 Tc=1.5uf

A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination?

Description : A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination? 

Last Answer : ANSWER: 6 FARADS

If a three farad capacitor and a six farad capacitor are connected in parallel, what is their equivalent capacitance?

Description : If a three farad capacitor and a six farad capacitor are connected in parallel, what is their equivalent capacitance?

Last Answer : ANSWER: 9 FARADS

A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's plates?

Description : A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's plates?

Last Answer : ANSWER: 200 COULOMBS

A two farad and a four farad capacitor are connected in series. What single capacitance is "equivalent" to this combination?

Description : A two farad and a four farad capacitor are connected in series. What single capacitance is "equivalent" to this combination?

Last Answer : ANSWER: 4/3 FARADS

What is the capacitive resistance of a 0.04 microfarad capacitor in ac circuit that has a frequency of 1000 hz?

Description : What is the capacitive resistance of a 0.04 microfarad capacitor in ac circuit that has a frequency of 1000 hz?

Last Answer : The capacitive reactance is approximately 4 kΩ .

Suppose that the one-way propagation delay for a 100 Mbps Ethernet having 48-bit jamming signal is 1.04 micro-seconds. The minimum frame size in bits is: a. 112 b. 160 c. 208 d. 256

Description : Suppose that the one-way propagation delay for a 100 Mbps Ethernet having 48-bit jamming signal is 1.04 micro-seconds. The minimum frame size in bits is: a. 112 b. 160 c. 208 d. 256

Last Answer : d. 256

How many synchronous and asynchronous modes are there in serial port of 8096? M. Krishna Kumar/IISc. Bangalore M5/V1/June 04/1 Microprocessors and Microcontrollers/ Multiple Choice Questions Architecture of Micro controllers a) 2, 2 respectively b) 3,1 respectively c) 1, 3 respectively d) 1, 2 respectively

Description : How many synchronous and asynchronous modes are there in serial port of 8096? M. Krishna Kumar/IISc. Bangalore M5/V1/June 04/1 Microprocessors and Microcontrollers/ Multiple Choice Questions Architecture of Micro ... 2, 2 respectively b) 3,1 respectively c) 1, 3 respectively d) 1, 2 respectively

Last Answer : c) 1, 3 respectively

A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 Volts.

Description : A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 Volts. Find out energy stored in the condenser?

Last Answer : A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 Volts. Find out energy stored in the condenser? 1 joule

'Farad' is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance

Description : 'Farad' is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance

Last Answer : (1) Capacitance Explanation: The Farad is the SI derived unit of capacitance. It is named after the English physicist Michael Faraday.

What is the SI unit of frequency? (1) Newton (2) Watt (3) Farad (4) Hertz

Description : What is the SI unit of frequency? (1) Newton (2) Watt (3) Farad (4) Hertz

Last Answer : (4) Hertz Explanation: The number of waves or vibrations passing through a point in one second is called Frequency. The SI (System International) Unit of Frequency is Hertz(Hz).

What is unit of Electrical Capacity? (1) henry (2) farad (3) volt (4) ohm

Description : What is unit of Electrical Capacity? (1) henry (2) farad (3) volt (4) ohm

Last Answer : (2) farad Explanation: Henry is unit of Magnetic Induction, volt is unit of Potential Difference, ohm is unit of Electric Resistance.

The unit of electrical power is the _____________. A. ampere B. kilovolt C. watt D. farad

Description : The unit of electrical power is the _____________. A. ampere B. kilovolt C. watt D. farad

Last Answer : Answer: C

The basic measuring unit of inductance is the _________. A. coulomb B. ohm C. farad D. henry

Description : The basic measuring unit of inductance is the _________. A. coulomb B. ohm C. farad D. henry

Last Answer : Answer: D

What is farad?

Description : What is farad? 

Last Answer : Farad is the unit of capacitance and the letter F denotes it. A condenser has a capacitance of one (1) farad, if it is capable to maintain a charge of one coulomb under a potential difference of one volt between its plates. 1 farad = 1 coulomb / 1 volt. = Q/V.  

What is the mathematical relationship between a farad, a microfarad, and a picofarad.

Description : What is the mathematical relationship between a farad, a microfarad, and a picofarad.

Last Answer : a. One microfarad equals 10-6 farad. b. One picofarad equals 10-12 farad.

Define the term "farad."

Description : Define the term "farad."

Last Answer : A farad is the unit of capacitance. A capacitor has a capacitance of 1 farad when a difference of 1 volt will charge it with 1 coulomb of electrons.

What is the mathematical relationship between a farad, a microfarad, and a picofarad.

Description : What is the mathematical relationship between a farad, a microfarad, and a picofarad.

Last Answer : a. One microfarad equals 10-6 farad. b. One picofarad equals 10-12 farad.

Define the term "farad."

Description : Define the term "farad."

Last Answer : A farad is the unit of capacitance. A capacitor has a capacitance of 1 farad when a difference of 1 volt will charge it with 1 coulomb of electrons.

Farad is defined as: a. Coulomb / volt b. Ampere / volt c. Coulomb / joule d. Joule / Coulomb

Description : Farad is defined as: a. Coulomb / volt b. Ampere / volt c. Coulomb / joule d. Joule / Coulomb

Last Answer : d. Joule / Coulomb

‘Farad’ is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance

Description : ‘Farad’ is the unit of : (1) Capacitance (2) Inductance (3) Resistance (4) Conductance

Last Answer : Capacitance

Can distant wildfires trigger your fire alarm?

Description : Can distant wildfires trigger your fire alarm?

Last Answer : Yes they can, it happened in Virginia.

Has anyone ever run fully clothed under a shower that was on because a fire alarm went off and they thought it the only safe place to be?

Description : Has anyone ever run fully clothed under a shower that was on because a fire alarm went off and they thought it the only safe place to be?

Last Answer : Uh, no.

Has anyone run buck naked, out of a shower, from a fire alarm?

Description : Has anyone run buck naked, out of a shower, from a fire alarm?

Last Answer : Surely it has, to someone, sometime. It never happened to me, but I was staying in a small hotel once when a fire alarm went off after midnight and I was only able to grab a coat ... That was pretty interesting. Nobody unclothed, though. I'm sure somebody would have contributed a blanket or jacket.

Has anyone run out naked from the fire alarm?

Description : Has anyone run out naked from the fire alarm?

Last Answer : Not me. An alarm was triggered though when I ran out naked.

Should every university or public place be equiped with an upgraded fire alarm?

Description : Should every university or public place be equiped with an upgraded fire alarm?

Last Answer : answer:No. For several reasons. 1) Many jurisdictions have a 911 center that deals with the triage (who to send - police, fire, whatever) already. This would be, to some extent, duplicating the effort ... don't think it is), who is going to pay for retrofitting the millions of alarms already there?

What does "alarm" mean, as in "2-alarm fire"?

Description : What does "alarm" mean, as in "2-alarm fire"?

Last Answer : ‘A two alarm fire is a fire that is too much for one firehouse’s resources to handle. When multiple agencies or groups are called in, the alarm count increases. Two firehouses are called in, vs. three, four or five.

What are they doing when they check my fire alarm?

Description : What are they doing when they check my fire alarm?

Last Answer : I would guess he had something like this: http://www.hoyles.com/acatalog/solo-detector-testers.html (about ¼ the way down the page) The detector was probably a CO-type detector, so he had to ... concentration you need a little more. It's a bit higher-quality test than just pushing the test button.

What are the 4 basic parts of a fire alarm?

Description : What are the 4 basic parts of a fire alarm?

Last Answer : Fire alarm control panel - the system hub monitors inputs and system integrity, controls outputs and relays information. Primary power supply - primary power for your fire alarm system is usually supplied in the ... that make it easier for people to get out of the building once a fire has started.

How do I fix my fire alarm?

Description : How do I fix my fire alarm?

Last Answer : These are the few steps : 1. Turn off the smoke alarm at the circuit breaker. 2. Remove the smoke alarm from mounting bracket and disconnect the power . 3. Remove the battery. 4. Reconnect the battery and reinstall the battery.

What is the main purpose of fire alarm systems, and how do they work?

Description : What is the main purpose of fire alarm systems, and how do they work?

Last Answer : The main job of fire alarm system is to detect an occurrence, alert the control panel and proper authorities, and notify the occupants to take action. The fire alarm panel is connected to the system' ... manual pull station, alerting the fire alarm system to the fire and putting it in alarm mode.

What are the world-famous fire alarm brands?

Description : What are the world-famous fire alarm brands?

Last Answer : Commercial fire alarm systems is a utility rarely considered in the mindset of, what do we need to have and what is the most cost effective way to meet that requirement . The good news is ... * ( Some Panel Versions ) +Interlogix Fireworx +Space Age Electronics +Wheelock +System Sensor +Edwards FSA

What is the fire alarm system to protect property?

Description : What is the fire alarm system to protect property?

Last Answer : Fire Alarm Systems are essential to life safety and fire safety Fire is one of the most destructive and dangerous elements to human life and property. One of the best ways to stop a fire ... detectors that alert building occupants that a fire may be present so they can safely evacuate the building.

How to test my fire alarm at home?

Description : How to test my fire alarm at home?

Last Answer : Press and hold the test button on the smoke detector. It can take a few seconds to begin, but a loud, ear-piercing siren should emanate from the smoke detector while the button is pressed. If the sound is weak or nonexistent, replace your batteries.

What is the principle of a fire alarm?

Description : What is the principle of a fire alarm?

Last Answer : All Fire Alarm Systems essentially operate on the same principle. If a detector detects smoke or heat, or someone operates a break glass unit, then alarm sounders operate to warn others in the building that there may be a fire and to evacuate.

How much does it cost to install a fire alarm system?

Description : How much does it cost to install a fire alarm system?

Last Answer : The average installation cost of a fire alarm system is between $2 and $3 per square foot for new construction. An existing building is more expensive, range between $4 to $12 per square foot. Besides ... , sensor and siren. The total cost of installing a full alarm system is between $650 and $950.

What kind of fire alarm should I buy?

Description : What kind of fire alarm should I buy?

Last Answer : The most common type of residential smoke alarm is dual ionisation alarm. It detects the Invisible gases given out in fire like burning toast or cooking bacon. Price :- 25 USD Second one is ... . Price 40USD The best one are dual monitor, which gives both The dual ionisation and photoelectric type

What features are required in a fire alarm system?

Description : What features are required in a fire alarm system?

Last Answer : The objective of a fire alarm system is to detect a fire outbreak as soon as one occurs and alert the occupants immediately. Therefore when purchasing a fire alarm system you need a reliable ... a notification system which is loud and visible enough to alert almost every occupants in the building.

What type of fire alarm system should I install?

Description : What type of fire alarm system should I install?

Last Answer : Photoelectric smoke detectors are the best at detecting the large particles typical of smoky, smoldering fires but poor at detecting fast, flaming fires. Photoelectric units are less prone to false alarms from burnt food, so they may be a better fit in kitchen areas.

What is the use of a fire alarm control module ?

Description : What is the use of a fire alarm control module ?

Last Answer : When there is outbreak of fire in a place, it is very useful to help the individual to know what to do when there is fire outbreak it gives alarm

Which wire is used in fire alarm system?

Description : Which wire is used in fire alarm system?

Last Answer : Copper Conductors For fire alarm systems, only copper conductors can be used. Conductor of sizes 18 AWG and 16 AWG can be used if the load does not exceed the ampacities specified in 402.5

How can I choose the right fire alarm system?

Description : How can I choose the right fire alarm system?

Last Answer : You can choose the right fire alarm system in the below-mentioned ways: Accessing your building's risks and threats: Identify the various risks and loopholes within your building and decide how ... needs: This includes sirens, speakers, flashing lights, etc. Determine the monitoring system needed.

What are the benefits of having a fire alarm?

Description : What are the benefits of having a fire alarm?

Last Answer : Speedy Fire detection The fire alarm starts to give a signal if smoke/ fire has been detected thus you will be able to call or signal the fire station or department ASAP or you will be ... smoke. lessen the chance of fire damage Early detection can save lives and damages. Economical low maintenance

How beneficial is installing fire alarm systems?

Description : How beneficial is installing fire alarm systems?

Last Answer : The main advantage of stalling fire alarms is the early warning benefit. The fire alarms can be installed just about anywhere in a commercial building and best of all the fire safety measure is highly cost effective for smoke and fire protection.

What are the functions of a fire alarm monitoring center?

Description : What are the functions of a fire alarm monitoring center?

Last Answer : Telgian, they will do all the required fire alarm system inspections to ensure everything works as it's suppose A file without content cannot be uploaded. Telgian contact details to.

What is the use of capacitors in fire alarm circuit?

Description : What is the use of capacitors in fire alarm circuit?

Last Answer : Fire alarm system may be having some electronic devices andcards, in which some capacitors are used. Capacitors are part ofany electronic cards.

How loud is a Fire alarm decibel?

Description : How loud is a Fire alarm decibel?

Last Answer : Just tested our work alarm and it read 95db.

What is the use of capacitors in fire alarm circuit?

Description : What is the use of capacitors in fire alarm circuit?

Last Answer : Fire alarm system may be having some electronic devices andcards, in which some capacitors are used. Capacitors are part ofany electronic cards.

What do I need to know about automatic fire alarm systems in rehabbing an old warehouse?

Description : What do I need to know about automatic fire alarm systems in rehabbing an old warehouse?

Last Answer : In terms of automatic fire alarm systems in rehabbing an old warehouse, you should activate the facility fire evacuation alarm system. Another thing you should know is make sure to have an automatic sprinkler system connected to the fire alarm system

Secure Your PC With The Zone Alarm Free Fire wall?

Description : Secure Your PC With The Zone Alarm Free Fire wall?

Last Answer : internet security is growing more important every day. Computers belonging to everyone from the casual home user to the Defense Department analysts are routinely compromised. The primary threat faced by most ... that users will see how good their program is and then purchase the premium version.