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Answer :

No. of 20 watts loudspeakers permitted to connect an 250 watt amplifier are 12.

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Last Answer : One auto watt = 10 ^ -18 watts.

Description : 1 watt how many watts? I know it all depends on everything, but what does it do? How can this be calculated? 

Last Answer : This can't be easily converted because we use 2 units to define 2 different things. In any case, HERE is a calculator that you can use to calculate how many watts 1 ampere corresponds to a certain voltage. For example, for 12 volts DC, 1 amp is 12 watts.   

Description : Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Last Answer : Answer: A

Description : A coaxial cable has 7dB of reflected power when the input is 5 watts. What is the output of the transmission line? A. 5 watts B. 2.5 watts C. 1.25 watts D. 1 watt

Last Answer : D. 1 watt

Description : If a transmission line has a power loss of 6 dB per 100 feet, what is the power at the feed point to the antenna at the end of a 200 foot transmission line fed by a 100 watt transmitter? A. 70 watts B. 50 watts C. 25 watts D. 6 watts

Last Answer : D. 6 watts

Description : The rate of energy transfer from a higher temperature to a lower temperature is measured in a) kcal b) Watt c) Watts per second d) none of the above.

Last Answer : b) Watt

Description : Is a 1000 watt amp too loud for installing in a car?

Last Answer : That may depend on the car you are instlling it in. But unless you have a very small sedan you will not have any problem with installing all that power inside your car

Description : What is the maximum surface roughness permitted by ASME B31.1 for the sidewall of ring grooves? a) 63 µ in b) 125 µ in. c) 250 µ in. d) 400 µ in

Last Answer : a) 63 µ in

Description : i heard that flat speaker wires can carry more watts to the speakers, where online can i find some of this speaker wire?

Last Answer : They have audio outlets online through simple searching including Radioshack in which they offer very good prices.

Description : Will a 110 watt receiver power 120 watt speakers?

Last Answer : Yes. Here’s how to think of it—it’s not that 120 watt speakers draw 120 watts, it’s that they can handle up to 120 watts.

Description : What car speakers will go the best with my 500 watt amp?

Last Answer : All car speakers will go well with a 500 Watt amp, but for the best effect, get a power subwoofer.

Description : can turning the sound up too loud damage my surround sound speakers?

Last Answer : If you turn the sound up too high on your stereo system, you can damage the surround sound speakers. Your speakers have a maximum amount of power they can handle from the amplifiers, and if you turn the volume up too high, you are giving the speakers too much power.

Description : Are there any laws on how loud my car speakers can be?

Last Answer : Every city has sound volume regulations for car stereos and they are usually very strict.

Description : What is usually used for displaying information at public places? a) Monitors b) Overhead Projections c) Monitors and Overhead Projections d) Touch Screen Kiosks e) Loud Speakers

Last Answer : b) Overhead Projections

Description : The use of permanent magnets is. not made in (a) magnetoes (6) energy meters (c) transformers (d) loud-speakers

Last Answer : (c) transformers

Last Answer : Loud Speakers are always connected in parallel on Both of them.

Description : One hp is equal to 1. 246watts 2. 250 watts 3. 746watts 4. 1000watts

Last Answer : ans 3  

Description : How many watts can the Rockford Fosgate Prime 2-Channel Car Amplifier handle?

Last Answer : The Rockford Fosgate R150-2 2-channel amp puts out 50 watts RMS per channel to your speaker system, or you can bridge it to supply 150 watts RMS to a subwoofer.

Description : What watts is the Legacy Car Audio la120 2 Channel Amplifier designed for?

Last Answer : The Legacy lal 20's peak output is 120 watts(x 2) per channel.

Description : The battery operated pre-amplifier with a consumption of 10 Watts can work on battery of 12 volt, 100 AH having efficiency of 50% for • 120 hrs. • 60 hrs. • 100 hrs. • 10 hrs.

Last Answer : The battery operated pre-amplifier with a consumption of 10 Watts can work on battery of 12 volt, 100 AH having efficiency of 50% for 60 hrs.

Description : How many lumens in a 250 Watt incandescent lamp?

Last Answer : The actual amount of light (lumens) given off by a bulb depends on the how the bulb was made and with what materials. It depends on the filament material, its length and thickness, and the ... 3940 lumens at its highest setting.Philips 250 Watt 120 to 130V PAR38 Krypton Flood Bulb emits 3100 lumens

Description : Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are joined in series to 250 volts supply. Power consumed in circuit is 

Last Answer : Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are joined in series to 250 volts supply. Power consumed in circuit is 67 watt.

Description : how loud can the amplifier get?

Last Answer : Most amplifiers can provide extremely loud sound, but it all depends on your speakers and subwoofer.

Description : A waveguide termination having VSWR of 1.1 is used to dissipate 100 watts of power. The reflected power will be A) 0.2268 W B) 0.5868 W C) 0.3468 W D) 0.4568 W 

Last Answer : A waveguide termination having VSWR of 1.1 is used to dissipate 100 watts of power. The reflected power will be 0.2268 W

Description : Do I need a turntable amplifier if I have powered speakers?

Last Answer : You may need a preamp: A turntable preamp or pre-amp is a small electronic circuit that will amplify the very small electrical signal coming out of a cartridge. It brings the cartridge signal up ... output directly into a computer sound card, that's when you must get a separate turntable preamp.

Description : Good mini amplifier to use with iPod & hook up existing speakers?

Last Answer : answer:A terrific option is the Sonic Impact 5065 Gen 2 T-Amp. Available at amazon for $59.99 It's a digital amp which means it's small, sips power, can run on batteries, but puts ... this device satisfies your other requirements plus it can be portable or AC-powered with the included power supply.

Description : Can I use an amplifier which provides less power than my speakers need?

Last Answer : If you use a lower rated amplifier than your speakers, your speakers won't be able to be as loud but won't suffer any damage.

Description : May sockets be provided in the wall of a fitting? a) No. b) Yes. c) Yes, in accordance with ASME B16.5, figure 4. d) Yes, as permitted in ASME B16.20.

Last Answer : c) Yes, in accordance with ASME B16.5, figure 4.

Description : Is it permissible to install tapped holes in fittings per ASME B16.5 a) No. b) Yes. c) Yes, if the metal is thick enough to allow the required thread length. d) Yes, as permitted by ASME B16.20.

Last Answer : c) Yes, if the metal is thick enough to allow the required thread length.

Description : A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, ... at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Last Answer : D. 2.0 A

Description : What is a good way to connect rear speakers up by wireless?

Last Answer : It sounds like you need Bluetooth speakers. Many are battery powered, though few last >4 hours on Bluetooth.

Description : When I connect my laptop to a small flat screen with a VGA cable a low buzzing sound comes from my speakers. What do I do?

Last Answer : Bad cable connection maybe? Or bad cable? Or perhaps electrical devices or cables too close?

Description : How do I connect speakers to my Xbox 360?

Last Answer : what kind of speakers are you looking at, home theater/surround sound? if so, make sure you get one that has an optic input. it will give you the best sound.

Description : I connected both cinchema devices, set the AUX mode on the tower, but there is no sound on the TV audio output via cinchema.

Last Answer : Need Answer

Description : What kind of wires are needed to connect computer speakers?

Last Answer : All necessary wires are typically included when purchasing a computer speaker system. This usually comprises a cable to connect the computer to the system, and one for each speaker.

Description : Can you connect speakers to your stereo wirelessly?

Last Answer : To be able to connect speakers to your stereo wirelessly you must have a system that supports it. It must clearly state wireless speakers or else it will not work. Many sony models accept wireless but ... says wireless. Do your research before you just buy any system as a lot of them have problems.

Description : A 10,000-watt motor operates an elevator weighing 5000 newtons. Assuming no frictional losses, how high is the elevator raised in 10 seconds. Is it raised: w) 2 meters x) 20 meters y) 50 meters z) 100 meters

Last Answer : ANSWER: X -- 20 METERS

Description : A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common mode gain? A) Ac = 0.125 B) Ac = 0.33 C) Ac = 3 D) Ac = 28 

Last Answer : A differential amplifier has a differential gain of 28000 and CMRR is 60 dB. What will be the value of common mode gain? A) Ac = 0.125 B) Ac = 0.33 C) Ac = 3 D) Ac = 28 

Description : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Last Answer : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Description : Which one of the following is another name for common-collector amplifier?  A) Source follower B) Collector follower C) Base follower D) Emitter follower

Last Answer : Which one of the following is another name for common-collector amplifier?  A) Source follower B) Collector follower C) Base follower D) Emitter follower

Description : Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector 

Last Answer : Positive feedback is used in 1. Amplifier 2. Rectifier 3.Oscillator 4. Detector 

Description : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

Last Answer : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

Description : The effect of a finite gain of an operational amplifier used in an integrator is that (A) it would not integrate (B) the slope of the output will vary with time (C) the final value of the output voltage will reduce (D) there will be instability in the circuit

Last Answer : The effect of a finite gain of an operational amplifier used in an integrator is that there will be instability in the circuit

Description : In a klystron amplifier the input cavity is called:  (1) Buncher (2) Catcher (3) Pierce gun (4) Collector

Last Answer : In a klystron amplifier the input cavity is called: Buncher.

Description : Negative feedback in amplifier:  (1) Improves the SNR at input (2) Improve SNR at output (3) Reduces distortion (4) Decreases bandwidth

Last Answer : Negative feedback in amplifier: Reduces distortion.

Description : Which amplifier will be preferred for highest gain?  (1) Darlington pair (2) Cascade amplifier (3) Cascode amplifier (4) Depends on the circuitry

Last Answer : Cascode amplifier will be preferred for highest gain.

Description : For biomedical applications the mostly used amplifier is  A) Single ended amplifier B) Differential amplifier  C) Inverting operational amplifier D) Chopper amplifier

Last Answer : Inverting opamp

Last Answer : The output stage of a practical amplifier is always Transformer coupled

Last Answer : In a CB amplifier the maximum efficiency could be 25%.

Last Answer : In deriving ac equivalent circuit for an amplifier circuit we short circuit all capacitors.