Where is a transistor most likely to be found? (1) Wrist watch (2) Fuse (3) Hearing aid (4) Fluorescent lamp

1 Answer

Answer :

(3) Hearing aid Explanation: A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. The transistor invented in 1948 was well suited to the hearing aid application due to low power and small size; hearing aids were an early adopter of transistors. Transistors replaced the need for batteries in hearing aids

Related questions

Description : Where is a transistor most likely to be found ? (1) Wrist watch (2) Fuse (3) Hearing aid (4) Fluorescent lamp

Last Answer : Hearing aid

Description : The purpose of choke in a fluorescent lamp is – (1) to increase the current flow (2) to decrease the current flow (3) to decrease the resistance (4) to decrease the voltage momentarily

Last Answer : (2) to decrease the current flow Explanation: The choke primarily serves to limit current flow to the correct level for the tube. It also can be used during startup to provide an inductive 'kick' forming a momentary highervoltage pulse to start the lamp.

Description : Full form of CFL used in place of electric bulbs is – (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Last Answer : (1) compact fluorescent lamp Explanation: A compact fluorescent lamp (CFL) is a fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps.

Description : The purpose of choke in a fluorescent lamp is : (1) to increase the current flow (2) to decrease the current flow (3) to decrease the resistance (4) ro decrease the voltage momentarily

Last Answer :  to decrease the current flow

Description : Full form of CFL used in place of electric bulbs is (1) compact fluorescent lamp (2) constantan filament lamp (3) closed filament lamp (4) closed fluorescent lamp

Last Answer : compact fluorescent lamp

Description : I have a 60 watt/120v clip-on lamp. What is the highest wattage of compact fluorescent bulb can I safely use in this lamp?

Last Answer : By the way, I mean actual watts on the fluorescent bulb, not replacement-watts. :)

Description : Which is the secondary source of light in a fluorescent lamp? -General Knowledge

Last Answer : The answer is 'Mercury vapour'

Description : Which is the secondary source of light in a fluorescent lamp? -General Knowledge

Last Answer : answer:

Description : Which is the secondary source of light in a fluorescent lamp? -General Knowledge

Last Answer : answer:

Description : Which is a better floor lamp - incandescent or fluorescent?

Last Answer : Incandescent floor lamps emit a lower ray of light, therefore you won't get as bright a light shine. A flourescnet light is much brighter. It really depends on where you will put the lamp.

Description : When a fluorescent lamp fails to light, the trouble can be in the _____________. A. lamp B. starter C. ballast D. all of the above

Last Answer : Answer: D

Description : When a fluorescent lamp has reached the end of its useful life, it should be replaced immediately, or the resultant flashing may _____________. A. blow the lamp's circuit breaker B. explode, ... fly in all directions C. short circuit the ballast transformer D. damage the starter and the ballast

Last Answer : Answer: D

Description : Which of the following components are used to assemble a fluorescent lighting system? A. Lamp B. Starter C. Ballast D. All of the above

Last Answer : Answer: D

Description : Luminance efficiency is minimum for a a. Fluorescent tube b. High wattage light bulb c. Mercury vapor lamp d. Low wattage light bulb

Last Answer : d. Low wattage light bulb

Description : Which is the secondary source of light in a fluorescent lamp?

Last Answer : Mercury vapour

Description : The purpose of choke in a fluorescent lamp is

Last Answer : to decrease the flow of current

Description : Luminous efficiency is least for a A. mercury vapor lamp B. low-wattage light bulb C. high-wattage light bulb D. fluorescent tube

Last Answer : B. low-wattage light bulb

Description : How does a compact fluorescent lamp consume less electricity than conventional fluorescent lamps and bulbs?

Last Answer : Fluorescent lamps are based on the phenomenon of gas discharge between two electrodes at the ends of a glass tube. Generally these tubes contain a little mercury in the low-pressure vapour phase. When ... poor efficiency. The three types of lamps may have a typical efficiency ratio of 8:6:3.

Description : Does frequent switching on/off of a fluorescent lamp reduce its life?

Last Answer : The life of a fluorescent lamp is essentially determined by life of the cathode filament it uses. A conventional fluorescent lamp employs closely wound coil of tungsten wire as filament. Upon switching on ... of continuous burning can be halved or made still less, just by frequent switching on/off.

Description : Luminance efficiency is minimum for a ∙ a. Fluorescent tube ∙ b. High wattage light bulb ∙ c. Mercury vapor lamp ∙ d. Low wattage light bulb

Last Answer : d. Low wattage light bulb

Description : A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00 

Last Answer : ANSWER: X -- $10.00 

Description : Ray Whitcombe is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Barbara Whitcombe, Ray's wife; Mr. Jason McCubbins, Ray's business partner; ... written on it. After examining this evidence, the police knew their suspect. Who was it? -Riddles

Last Answer : Jason McCubbins, Ray's business partner. The calendar is the clue to solving this murder. The police realized that since Mr. Whitcombe was wearing his watch on his right arm, he must be left handed. But ... September, October, November. Use the first letter of each month and it spells J-A-S-O-N.

Description : In the illustration, 'D' is the symbol for a/an __________. EL-0005 A. thermal overload heater B. portable cable C. fuse D. indicating lamp

Last Answer : Answer: C

Description : Who does NOT wear a wrist watch anymore?

Last Answer : I haven’t worn a watch since the 90’s. Between my pager (then) and my cell phone (now), another time displaying device would be redundant.

Description : Which wrist do you wear your watch on?

Last Answer : Right hand to both questions.Unusual because everyone I know wears their watch on the opposite hand to which they write.

Description : Where I supposed to wear my wrist watch? (man)

Last Answer : Your non-dominant wrist. If you’re a righty, wear it on the left, and vice a versa. That way it doesn’t scrape every time you try and write something.

Description : Do you wear a wrist watch?

Last Answer : Definitely I have a watch that I wear anytime I need to step out of my home because I hardly wear any at home so I only get it on when I need to step out. I wear my wrist watch for some ... s a necessity since it perform a good function of letting one know time and can be worn as a fashion item.

Description : The profit earned after selling a wrist watch for `5080 is the same as the loss incurred after selling the same wrist watch for `4650. What is the cost price of the wrist watch? a) `4685 b) `4875 c) `4695 d) `4785 e) `4865

Last Answer : Cost price of the watch = 5080 + 4650 / 2 = 9730 / 2 = `4865 Answer: e)

Description : The profit earned after selling a wrist watch for Rs 4,080 is the same as the loss incurred after selling the same wrist watch for Rs 3,650. What is the cost price of the wrist watch? 1. Rs 3,785 2. Rs 3,800 3. Rs 3,775 4. Rs 3,865

Last Answer : 3865

Description : Men's wrist watch. How to make the right choice?

Last Answer : Nowadays, wristwatches have become a bright accessory that completes the image of a man. Depending on the style, these jewelry become a solid base for creating business, sports, and everyday looks. The ... large. The model is obliged to continue the image, not destroy it. Enjoy the shopping!

Description : When replacing a power transistor fitted with a heat sink in a circuit, a coating of silicone grease is applied between the transistor case and the heat sink. This is done to ____________. A. lubricate ... the heat sink C. aid in the removal of the heat sink D. provide maximum heat transfer

Last Answer : Answer: D

Description : How can I convince my husband he really, really needs a hearing aid?

Last Answer : Huh?......

Description : What must you consider in shopping for a hearing aid?

Last Answer : Sent to HearKat.

Description : Will they ever make a cellphone that's hearing aid "compatible"?

Last Answer : answer:Well, step one: Don't answer your cell phone in the car. There's nothing in the world that can't wait until you pull over safely. You of all people should know that. No one should answer their phone ... one from them as well.) here Here s the T-Mobile list - about ⅔ of the way down the page.

Description : Hearing aides, are the lesser priced ones any good, what is a decent aid and price?

Last Answer : answer:I worked closely with an audiologist and learned a bit from her. Generally, the cheaper hearing aides are basically amplifiers. The more expensive hearing aides do provide more sophisticated sound ... very reluctant to sell anything below $800-$1,000 for quality reasons. This was in 2005.

Description : What do you think of the mind-set of people who so OBVIOUSLY need a hearing aid, but refuse to get one?

Last Answer : Say what?

Description : Did you hear about the one with a broken hearing aid? -Riddles

Last Answer : Neither did he!

Description : I have a mobile phone connected via BT with a watch that also receives caller ID, sms, I allow a loud (?) conversation. Advantageous, especially if you do not have a mobile phone with you ... ... connection, or is it possible in another way and the connection can remain? mobile Lenovo, Samsung ...

Last Answer : Need Answer

Description : What is hearing aid technology?

Last Answer : Hearing aid technology is a advance technology which i9s use toimprove sound quality for hearing loss person.It is in two typeAnalog and Digital. Analog :- hearing aid technology use ... In this amplifier transmit analogsignal and receiver convert it into digital signals .and transmitto ear.

Description : What is hearing aid technology?

Last Answer : Hearing aid technology is a advance technology which i9s use toimprove sound quality for hearing loss person.It is in two typeAnalog and Digital. Analog :- hearing aid technology use ... In this amplifier transmit analogsignal and receiver convert it into digital signals .and transmitto ear.

Description : Are digital hearing aids superior to the traditional hearing aid?

Last Answer : Digital hearing aids are superior to traditional hearing aids but they generally cost more. Digital hearing aids generally reduce background noise as well. You can read all about them at http://www.hearingcentral.com/hearingaidtech.asp.

Description : Does Wal-Mart or any other major retail store sell hearing aid batteries?

Last Answer : Yes, most pharmacies and major retailers, including Wal-mart, carry hearing aid batteries like Rayovac brand. Walgreens is another good option since they have locations in most cities and carry most items. Walmart ... idea to take the device to the store with you or at least take along the battery.

Description : Is it safe to use an ear hearing aid when I have an open sore within the ear?

Last Answer : You should not use a hearing aid when their is an open sore. Allow the sore to heal.

Description : How often do you generally have to replace hearing aid batteries?

Last Answer : Yu should replace them about once a year. They sometimes last up to 2 years.

Description : Are there different sizes of hearing aid batteries and what are they?

Last Answer : Yes, there are 5 different standard hearing aid batteries. Here are the different types, associated with a number, and there color code. Blue number 675, orange 13, magenta 312, yellow 10 and ... your hearing aid retailer to get the specific since there are a large variety of different hearing aids.

Description : where to get a siemens hearing aid repaired ?

Last Answer : Please take your hearing aid to Advanced Hearing. 3725 Austin Bluffs Pkwy. Colorado Springs, CO 80918. Their phone number is 800-804-0434. I would probably suggest that it might be easier and ... you.Gulf Coast Audiology 2926 Market St 762-1980 and hearing source 2210 Old Mobile Ave 769-7786

Description : who is the appropriate person to contact regarding complaints about a HEARING AID SERVICE STORE that is overbilling seniors Thank you, MB?

Last Answer : You need to contact your state's Better Business Bureau and report your complaint or suspicion of abuse against this business. The BBB maintains records of complaints from consumers, and also posts this information ... public a favor. And the BBB can advise you if you need to take further action.

Description : Where do I go to find good hearing aid reviews?

Last Answer : You could contact your doctor, your grandfather's doctor, or perhaps someone who has worked with the elderly (as they often need hearing aids) about which hearing aid would be right for your grandfather.